642857040

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:148

約数の個数: 640

約数和(自身を含む): 2789821440

約数和(自身を除く): 2146964400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 27, 28, 30, 34, 35, 36, 40, 41, 42, 45, 48, 51, 54, 56, 60, 61, 63, 68, 70, 72, 80, 82, 84, 85, 90, 102, 105, 108, 112, 119, 120, 122, 123, 126, 135, 136, 140, 144, 153, 164, 168, 170, 180, 183, 189, 204, 205, 210, 216, 238, 240, 244, 246, 252, 255, 270, 272, 280, 287, 305, 306, 315, 328, 336, 340, 357, 360, 366, 369, 378, 408, 410, 420, 427, 432, 459, 476, 488, 492, 504, 510, 540, 549, 560, 574, 595, 610, 612, 615, 630, 656, 680, 697, 714, 720, 732, 738, 756, 765, 816, 820, 840, 854, 861, 915, 918, 945, 952, 976, 984, 1008, 1020, 1037, 1071, 1080, 1098, 1107, 1148, 1190, 1220, 1224, 1230, 1260, 1281, 1360, 1394, 1428, 1435, 1464, 1476, 1512, 1530, 1640, 1647, 1680, 1708, 1722, 1785, 1830, 1836, 1845, 1890, 1904, 1968, 2040, 2074, 2091, 2135, 2142, 2160, 2196, 2214, 2295, 2296, 2380, 2440, 2448, 2460, 2501, 2520, 2562, 2583, 2745, 2788, 2856, 2870, 2928, 2952, 3024, 3060, 3111, 3213, 3280, 3294, 3416, 3444, 3485, 3570, 3660, 3672, 3690, 3780, 3843, 4080, 4148, 4182, 4270, 4284, 4305, 4392, 4428, 4590, 4592, 4760, 4879, 4880, 4920, 5002, 5040, 5124, 5166, 5185, 5355, 5490, 5535, 5576, 5712, 5740, 5904, 6120, 6222, 6273, 6405, 6426, 6588, 6832, 6888, 6970, 7140, 7259, 7320, 7344, 7380, 7503, 7560, 7686, 7749, 8235, 8296, 8364, 8540, 8568, 8610, 8784, 8856, 9180, 9333, 9520, 9758, 9840, 10004, 10248, 10332, 10370, 10455, 10710, 10980, 11070, 11152, 11480, 11529, 12240, 12444, 12505, 12546, 12810, 12852, 12915, 13176, 13776, 13940, 14280, 14518, 14637, 14640, 14760, 15006, 15120, 15372, 15498, 15555, 16065, 16470, 16592, 16728, 17080, 17136, 17220, 17507, 17712, 18360, 18666, 18819, 19215, 19516, 20008, 20496, 20664, 20740, 20910, 21420, 21777, 21960, 22140, 22509, 22960, 23058, 24395, 24888, 25010, 25092, 25620, 25704, 25830, 26352, 27880, 27999, 28560, 29036, 29274, 29520, 30012, 30744, 30996, 31110, 31365, 32130, 32940, 33456, 34160, 34440, 35014, 36295, 36720, 37332, 37515, 37638, 38430, 38745, 39032, 40016, 41328, 41480, 41820, 42517, 42840, 43554, 43911, 43920, 44280, 45018, 46116, 46665, 48790, 49776, 50020, 50184, 51240, 51408, 51660, 52521, 55760, 55998, 57645, 58072, 58548, 60024, 61488, 61992, 62220, 62730, 64260, 65331, 65880, 67527, 68880, 70028, 72590, 73185, 74664, 75030, 75276, 76860, 77490, 78064, 82960, 83640, 85034, 85680, 87108, 87535, 87822, 88560, 90036, 92232, 93330, 94095, 97580, 100040, 100368, 102480, 103320, 105042, 108885, 111996, 112545, 115290, 116144, 117096, 120048, 123984, 124440, 125460, 127551, 128520, 130662, 131733, 131760, 135054, 139995, 140056, 145180, 146370, 149328, 150060, 150552, 153720, 154980, 157563, 167280, 170068, 174216, 175070, 175644, 180072, 184464, 186660, 188190, 195160, 195993, 200080, 206640, 210084, 212585, 217770, 219555, 223992, 225090, 230580, 234192, 248880, 250920, 255102, 257040, 261324, 262605, 263466, 270108, 279990, 280112, 290360, 292740, 297619, 300120, 301104, 307440, 309960, 315126, 326655, 337635, 340136, 348432, 350140, 351288, 360144, 373320, 376380, 382653, 390320, 391986, 420168, 425170, 435540, 439110, 447984, 450180, 461160, 472689, 501840, 510204, 522648, 525210, 526932, 540216, 559980, 580720, 585480, 595238, 600240, 619920, 630252, 637755, 653310, 658665, 675270, 680272, 700280, 702576, 746640, 752760, 765306, 783972, 787815, 840336, 850340, 871080, 878220, 892857, 900360, 922320, 945378, 979965, 1020408, 1045296, 1050420, 1053864, 1080432, 1119960, 1147959, 1170960, 1190476, 1260504, 1275510, 1306620, 1317330, 1350540, 1400560, 1488095, 1505520, 1530612, 1567944, 1575630, 1700680, 1742160, 1756440, 1785714, 1800720, 1890756, 1913265, 1959930, 2040816, 2100840, 2107728, 2239920, 2295918, 2363445, 2380952, 2521008, 2551020, 2613240, 2634660, 2678571, 2701080, 2976190, 3061224, 3135888, 3151260, 3401360, 3512880, 3571428, 3781512, 3826530, 3919860, 4201680, 4464285, 4591836, 4726890, 4761904, 5102040, 5226480, 5269320, 5357142, 5402160, 5739795, 5952380, 6122448, 6302520, 7142856, 7563024, 7653060, 7839720, 8035713, 8928570, 9183672, 9453780, 10204080, 10538640, 10714284, 11479590, 11904760, 12605040, 13392855, 14285712, 15306120, 15679440, 16071426, 17857140, 18367344, 18907560, 21428568, 22959180, 23809520, 26785710, 30612240, 32142852, 35714280, 37815120, 40178565, 42857136, 45918360, 53571420, 64285704, 71428560, 80357130, 91836720, 107142840, 128571408, 160714260, 214285680, 321428520, 642857040]

約数ペア:

[(1, 642857040), (2, 321428520), (3, 214285680), (4, 160714260), (5, 128571408), (6, 107142840), (7, 91836720), (8, 80357130), (9, 71428560), (10, 64285704), (12, 53571420), (14, 45918360), (15, 42857136), (16, 40178565), (17, 37815120), (18, 35714280), (20, 32142852), (21, 30612240), (24, 26785710), (27, 23809520), (28, 22959180), (30, 21428568), (34, 18907560), (35, 18367344), (36, 17857140), (40, 16071426), (41, 15679440), (42, 15306120), (45, 14285712), (48, 13392855), (51, 12605040), (54, 11904760), (56, 11479590), (60, 10714284), (61, 10538640), (63, 10204080), (68, 9453780), (70, 9183672), (72, 8928570), (80, 8035713), (82, 7839720), (84, 7653060), (85, 7563024), (90, 7142856), (102, 6302520), (105, 6122448), (108, 5952380), (112, 5739795), (119, 5402160), (120, 5357142), (122, 5269320), (123, 5226480), (126, 5102040), (135, 4761904), (136, 4726890), (140, 4591836), (144, 4464285), (153, 4201680), (164, 3919860), (168, 3826530), (170, 3781512), (180, 3571428), (183, 3512880), (189, 3401360), (204, 3151260), (205, 3135888), (210, 3061224), (216, 2976190), (238, 2701080), (240, 2678571), (244, 2634660), (246, 2613240), (252, 2551020), (255, 2521008), (270, 2380952), (272, 2363445), (280, 2295918), (287, 2239920), (305, 2107728), (306, 2100840), (315, 2040816), (328, 1959930), (336, 1913265), (340, 1890756), (357, 1800720), (360, 1785714), (366, 1756440), (369, 1742160), (378, 1700680), (408, 1575630), (410, 1567944), (420, 1530612), (427, 1505520), (432, 1488095), (459, 1400560), (476, 1350540), (488, 1317330), (492, 1306620), (504, 1275510), (510, 1260504), (540, 1190476), (549, 1170960), (560, 1147959), (574, 1119960), (595, 1080432), (610, 1053864), (612, 1050420), (615, 1045296), (630, 1020408), (656, 979965), (680, 945378), (697, 922320), (714, 900360), (720, 892857), (732, 878220), (738, 871080), (756, 850340), (765, 840336), (816, 787815), (820, 783972), (840, 765306), (854, 752760), (861, 746640), (915, 702576), (918, 700280), (945, 680272), (952, 675270), (976, 658665), (984, 653310), (1008, 637755), (1020, 630252), (1037, 619920), (1071, 600240), (1080, 595238), (1098, 585480), (1107, 580720), (1148, 559980), (1190, 540216), (1220, 526932), (1224, 525210), (1230, 522648), (1260, 510204), (1281, 501840), (1360, 472689), (1394, 461160), (1428, 450180), (1435, 447984), (1464, 439110), (1476, 435540), (1512, 425170), (1530, 420168), (1640, 391986), (1647, 390320), (1680, 382653), (1708, 376380), (1722, 373320), (1785, 360144), (1830, 351288), (1836, 350140), (1845, 348432), (1890, 340136), (1904, 337635), (1968, 326655), (2040, 315126), (2074, 309960), (2091, 307440), (2135, 301104), (2142, 300120), (2160, 297619), (2196, 292740), (2214, 290360), (2295, 280112), (2296, 279990), (2380, 270108), (2440, 263466), (2448, 262605), (2460, 261324), (2501, 257040), (2520, 255102), (2562, 250920), (2583, 248880), (2745, 234192), (2788, 230580), (2856, 225090), (2870, 223992), (2928, 219555), (2952, 217770), (3024, 212585), (3060, 210084), (3111, 206640), (3213, 200080), (3280, 195993), (3294, 195160), (3416, 188190), (3444, 186660), (3485, 184464), (3570, 180072), (3660, 175644), (3672, 175070), (3690, 174216), (3780, 170068), (3843, 167280), (4080, 157563), (4148, 154980), (4182, 153720), (4270, 150552), (4284, 150060), (4305, 149328), (4392, 146370), (4428, 145180), (4590, 140056), (4592, 139995), (4760, 135054), (4879, 131760), (4880, 131733), (4920, 130662), (5002, 128520), (5040, 127551), (5124, 125460), (5166, 124440), (5185, 123984), (5355, 120048), (5490, 117096), (5535, 116144), (5576, 115290), (5712, 112545), (5740, 111996), (5904, 108885), (6120, 105042), (6222, 103320), (6273, 102480), (6405, 100368), (6426, 100040), (6588, 97580), (6832, 94095), (6888, 93330), (6970, 92232), (7140, 90036), (7259, 88560), (7320, 87822), (7344, 87535), (7380, 87108), (7503, 85680), (7560, 85034), (7686, 83640), (7749, 82960), (8235, 78064), (8296, 77490), (8364, 76860), (8540, 75276), (8568, 75030), (8610, 74664), (8784, 73185), (8856, 72590), (9180, 70028), (9333, 68880), (9520, 67527), (9758, 65880), (9840, 65331), (10004, 64260), (10248, 62730), (10332, 62220), (10370, 61992), (10455, 61488), (10710, 60024), (10980, 58548), (11070, 58072), (11152, 57645), (11480, 55998), (11529, 55760), (12240, 52521), (12444, 51660), (12505, 51408), (12546, 51240), (12810, 50184), (12852, 50020), (12915, 49776), (13176, 48790), (13776, 46665), (13940, 46116), (14280, 45018), (14518, 44280), (14637, 43920), (14640, 43911), (14760, 43554), (15006, 42840), (15120, 42517), (15372, 41820), (15498, 41480), (15555, 41328), (16065, 40016), (16470, 39032), (16592, 38745), (16728, 38430), (17080, 37638), (17136, 37515), (17220, 37332), (17507, 36720), (17712, 36295), (18360, 35014), (18666, 34440), (18819, 34160), (19215, 33456), (19516, 32940), (20008, 32130), (20496, 31365), (20664, 31110), (20740, 30996), (20910, 30744), (21420, 30012), (21777, 29520), (21960, 29274), (22140, 29036), (22509, 28560), (22960, 27999), (23058, 27880), (24395, 26352), (24888, 25830), (25010, 25704), (25092, 25620)]