31615920

素因数分解:

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

素因数の和:90

約数の個数: 400

約数和(自身を含む): 136116288

約数和(自身を除く): 104500368

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, 63, 68, 70, 72, 80, 81, 82, 84, 85, 90, 102, 105, 108, 112, 119, 120, 123, 126, 135, 136, 140, 144, 153, 162, 164, 168, 170, 180, 189, 204, 205, 210, 216, 238, 240, 246, 252, 255, 270, 272, 280, 287, 306, 315, 324, 328, 336, 340, 357, 360, 369, 378, 405, 408, 410, 420, 432, 459, 476, 492, 504, 510, 540, 560, 567, 574, 595, 612, 615, 630, 648, 656, 680, 697, 714, 720, 738, 756, 765, 810, 816, 820, 840, 861, 918, 945, 952, 984, 1008, 1020, 1071, 1080, 1107, 1134, 1148, 1190, 1224, 1230, 1260, 1296, 1360, 1377, 1394, 1428, 1435, 1476, 1512, 1530, 1620, 1640, 1680, 1722, 1785, 1836, 1845, 1890, 1904, 1968, 2040, 2091, 2142, 2160, 2214, 2268, 2295, 2296, 2380, 2448, 2460, 2520, 2583, 2754, 2788, 2835, 2856, 2870, 2952, 3024, 3060, 3213, 3240, 3280, 3321, 3444, 3485, 3570, 3672, 3690, 3780, 4080, 4182, 4284, 4305, 4428, 4536, 4590, 4592, 4760, 4879, 4920, 5040, 5166, 5355, 5508, 5535, 5576, 5670, 5712, 5740, 5904, 6120, 6273, 6426, 6480, 6642, 6885, 6888, 6970, 7140, 7344, 7380, 7560, 7749, 8364, 8568, 8610, 8856, 9072, 9180, 9520, 9639, 9758, 9840, 10332, 10455, 10710, 11016, 11070, 11152, 11340, 11480, 12240, 12546, 12852, 12915, 13284, 13770, 13776, 13940, 14280, 14637, 14760, 15120, 15498, 16065, 16605, 16728, 17136, 17220, 17712, 18360, 18819, 19278, 19516, 20664, 20910, 21420, 22032, 22140, 22680, 22960, 23247, 24395, 25092, 25704, 25830, 26568, 27540, 27880, 28560, 29274, 29520, 30996, 31365, 32130, 33210, 33456, 34440, 36720, 37638, 38556, 38745, 39032, 41328, 41820, 42840, 43911, 44280, 45360, 46494, 48195, 48790, 50184, 51408, 51660, 53136, 55080, 55760, 56457, 58548, 61992, 62730, 64260, 66420, 68880, 73185, 75276, 77112, 77490, 78064, 83640, 85680, 87822, 88560, 92988, 94095, 96390, 97580, 100368, 103320, 110160, 112914, 116235, 117096, 123984, 125460, 128520, 131733, 132840, 146370, 150552, 154224, 154980, 167280, 175644, 185976, 188190, 192780, 195160, 206640, 219555, 225828, 232470, 234192, 250920, 257040, 263466, 265680, 282285, 292740, 301104, 309960, 351288, 371952, 376380, 385560, 390320, 395199, 439110, 451656, 464940, 501840, 526932, 564570, 585480, 619920, 658665, 702576, 752760, 771120, 790398, 878220, 903312, 929880, 1053864, 1129140, 1170960, 1317330, 1505520, 1580796, 1756440, 1859760, 1975995, 2107728, 2258280, 2634660, 3161592, 3512880, 3951990, 4516560, 5269320, 6323184, 7903980, 10538640, 15807960, 31615920]

約数ペア:

[(1, 31615920), (2, 15807960), (3, 10538640), (4, 7903980), (5, 6323184), (6, 5269320), (7, 4516560), (8, 3951990), (9, 3512880), (10, 3161592), (12, 2634660), (14, 2258280), (15, 2107728), (16, 1975995), (17, 1859760), (18, 1756440), (20, 1580796), (21, 1505520), (24, 1317330), (27, 1170960), (28, 1129140), (30, 1053864), (34, 929880), (35, 903312), (36, 878220), (40, 790398), (41, 771120), (42, 752760), (45, 702576), (48, 658665), (51, 619920), (54, 585480), (56, 564570), (60, 526932), (63, 501840), (68, 464940), (70, 451656), (72, 439110), (80, 395199), (81, 390320), (82, 385560), (84, 376380), (85, 371952), (90, 351288), (102, 309960), (105, 301104), (108, 292740), (112, 282285), (119, 265680), (120, 263466), (123, 257040), (126, 250920), (135, 234192), (136, 232470), (140, 225828), (144, 219555), (153, 206640), (162, 195160), (164, 192780), (168, 188190), (170, 185976), (180, 175644), (189, 167280), (204, 154980), (205, 154224), (210, 150552), (216, 146370), (238, 132840), (240, 131733), (246, 128520), (252, 125460), (255, 123984), (270, 117096), (272, 116235), (280, 112914), (287, 110160), (306, 103320), (315, 100368), (324, 97580), (328, 96390), (336, 94095), (340, 92988), (357, 88560), (360, 87822), (369, 85680), (378, 83640), (405, 78064), (408, 77490), (410, 77112), (420, 75276), (432, 73185), (459, 68880), (476, 66420), (492, 64260), (504, 62730), (510, 61992), (540, 58548), (560, 56457), (567, 55760), (574, 55080), (595, 53136), (612, 51660), (615, 51408), (630, 50184), (648, 48790), (656, 48195), (680, 46494), (697, 45360), (714, 44280), (720, 43911), (738, 42840), (756, 41820), (765, 41328), (810, 39032), (816, 38745), (820, 38556), (840, 37638), (861, 36720), (918, 34440), (945, 33456), (952, 33210), (984, 32130), (1008, 31365), (1020, 30996), (1071, 29520), (1080, 29274), (1107, 28560), (1134, 27880), (1148, 27540), (1190, 26568), (1224, 25830), (1230, 25704), (1260, 25092), (1296, 24395), (1360, 23247), (1377, 22960), (1394, 22680), (1428, 22140), (1435, 22032), (1476, 21420), (1512, 20910), (1530, 20664), (1620, 19516), (1640, 19278), (1680, 18819), (1722, 18360), (1785, 17712), (1836, 17220), (1845, 17136), (1890, 16728), (1904, 16605), (1968, 16065), (2040, 15498), (2091, 15120), (2142, 14760), (2160, 14637), (2214, 14280), (2268, 13940), (2295, 13776), (2296, 13770), (2380, 13284), (2448, 12915), (2460, 12852), (2520, 12546), (2583, 12240), (2754, 11480), (2788, 11340), (2835, 11152), (2856, 11070), (2870, 11016), (2952, 10710), (3024, 10455), (3060, 10332), (3213, 9840), (3240, 9758), (3280, 9639), (3321, 9520), (3444, 9180), (3485, 9072), (3570, 8856), (3672, 8610), (3690, 8568), (3780, 8364), (4080, 7749), (4182, 7560), (4284, 7380), (4305, 7344), (4428, 7140), (4536, 6970), (4590, 6888), (4592, 6885), (4760, 6642), (4879, 6480), (4920, 6426), (5040, 6273), (5166, 6120), (5355, 5904), (5508, 5740), (5535, 5712), (5576, 5670)]