255240720

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:380

約数の個数: 400

約数和(自身を含む): 1075966848

約数和(自身を除く): 820726128

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, 42, 45, 48, 51, 54, 56, 60, 63, 68, 70, 72, 80, 81, 84, 85, 90, 102, 105, 108, 112, 119, 120, 126, 135, 136, 140, 144, 153, 162, 168, 170, 180, 189, 204, 210, 216, 238, 240, 252, 255, 270, 272, 280, 306, 315, 324, 331, 336, 340, 357, 360, 378, 405, 408, 420, 432, 459, 476, 504, 510, 540, 560, 567, 595, 612, 630, 648, 662, 680, 714, 720, 756, 765, 810, 816, 840, 918, 945, 952, 993, 1008, 1020, 1071, 1080, 1134, 1190, 1224, 1260, 1296, 1324, 1360, 1377, 1428, 1512, 1530, 1620, 1655, 1680, 1785, 1836, 1890, 1904, 1986, 2040, 2142, 2160, 2268, 2295, 2317, 2380, 2448, 2520, 2648, 2754, 2835, 2856, 2979, 3024, 3060, 3213, 3240, 3310, 3570, 3672, 3780, 3972, 4080, 4284, 4536, 4590, 4634, 4760, 4965, 5040, 5296, 5355, 5508, 5627, 5670, 5712, 5958, 6120, 6426, 6480, 6620, 6885, 6951, 7140, 7344, 7560, 7944, 8568, 8937, 9072, 9180, 9268, 9520, 9639, 9930, 10710, 11016, 11254, 11340, 11585, 11916, 12240, 12852, 13240, 13770, 13902, 14280, 14895, 15120, 15888, 16065, 16881, 17136, 17874, 18360, 18536, 19278, 19860, 20853, 21420, 22032, 22508, 22680, 23170, 23832, 25704, 26480, 26811, 27540, 27804, 28135, 28560, 29790, 32130, 33762, 34755, 35748, 36720, 37072, 38556, 39389, 39720, 41706, 42840, 44685, 45016, 45360, 46340, 47664, 48195, 50643, 51408, 53622, 55080, 55608, 56270, 59580, 62559, 64260, 67524, 69510, 71496, 77112, 78778, 79440, 83412, 84405, 85680, 89370, 90032, 92680, 96390, 101286, 104265, 107244, 110160, 111216, 112540, 118167, 119160, 125118, 128520, 134055, 135048, 139020, 142992, 151929, 154224, 157556, 166824, 168810, 178740, 185360, 187677, 192780, 196945, 202572, 208530, 214488, 225080, 236334, 238320, 250236, 253215, 257040, 268110, 270096, 278040, 303858, 312795, 315112, 333648, 337620, 354501, 357480, 375354, 385560, 393890, 405144, 417060, 428976, 450160, 455787, 472668, 500472, 506430, 536220, 556080, 590835, 607716, 625590, 630224, 675240, 709002, 714960, 750708, 759645, 771120, 787780, 810288, 834120, 911574, 938385, 945336, 1000944, 1012860, 1063503, 1072440, 1181670, 1215432, 1251180, 1350480, 1418004, 1501416, 1519290, 1575560, 1668240, 1772505, 1823148, 1876770, 1890672, 2025720, 2127006, 2144880, 2278935, 2363340, 2430864, 2502360, 2836008, 3002832, 3038580, 3151120, 3190509, 3545010, 3646296, 3753540, 4051440, 4254012, 4557870, 4726680, 5004720, 5317515, 5672016, 6077160, 6381018, 7090020, 7292592, 7507080, 8508024, 9115740, 9453360, 10635030, 12154320, 12762036, 14180040, 15014160, 15952545, 17016048, 18231480, 21270060, 25524072, 28360080, 31905090, 36462960, 42540120, 51048144, 63810180, 85080240, 127620360, 255240720]

約数ペア:

[(1, 255240720), (2, 127620360), (3, 85080240), (4, 63810180), (5, 51048144), (6, 42540120), (7, 36462960), (8, 31905090), (9, 28360080), (10, 25524072), (12, 21270060), (14, 18231480), (15, 17016048), (16, 15952545), (17, 15014160), (18, 14180040), (20, 12762036), (21, 12154320), (24, 10635030), (27, 9453360), (28, 9115740), (30, 8508024), (34, 7507080), (35, 7292592), (36, 7090020), (40, 6381018), (42, 6077160), (45, 5672016), (48, 5317515), (51, 5004720), (54, 4726680), (56, 4557870), (60, 4254012), (63, 4051440), (68, 3753540), (70, 3646296), (72, 3545010), (80, 3190509), (81, 3151120), (84, 3038580), (85, 3002832), (90, 2836008), (102, 2502360), (105, 2430864), (108, 2363340), (112, 2278935), (119, 2144880), (120, 2127006), (126, 2025720), (135, 1890672), (136, 1876770), (140, 1823148), (144, 1772505), (153, 1668240), (162, 1575560), (168, 1519290), (170, 1501416), (180, 1418004), (189, 1350480), (204, 1251180), (210, 1215432), (216, 1181670), (238, 1072440), (240, 1063503), (252, 1012860), (255, 1000944), (270, 945336), (272, 938385), (280, 911574), (306, 834120), (315, 810288), (324, 787780), (331, 771120), (336, 759645), (340, 750708), (357, 714960), (360, 709002), (378, 675240), (405, 630224), (408, 625590), (420, 607716), (432, 590835), (459, 556080), (476, 536220), (504, 506430), (510, 500472), (540, 472668), (560, 455787), (567, 450160), (595, 428976), (612, 417060), (630, 405144), (648, 393890), (662, 385560), (680, 375354), (714, 357480), (720, 354501), (756, 337620), (765, 333648), (810, 315112), (816, 312795), (840, 303858), (918, 278040), (945, 270096), (952, 268110), (993, 257040), (1008, 253215), (1020, 250236), (1071, 238320), (1080, 236334), (1134, 225080), (1190, 214488), (1224, 208530), (1260, 202572), (1296, 196945), (1324, 192780), (1360, 187677), (1377, 185360), (1428, 178740), (1512, 168810), (1530, 166824), (1620, 157556), (1655, 154224), (1680, 151929), (1785, 142992), (1836, 139020), (1890, 135048), (1904, 134055), (1986, 128520), (2040, 125118), (2142, 119160), (2160, 118167), (2268, 112540), (2295, 111216), (2317, 110160), (2380, 107244), (2448, 104265), (2520, 101286), (2648, 96390), (2754, 92680), (2835, 90032), (2856, 89370), (2979, 85680), (3024, 84405), (3060, 83412), (3213, 79440), (3240, 78778), (3310, 77112), (3570, 71496), (3672, 69510), (3780, 67524), (3972, 64260), (4080, 62559), (4284, 59580), (4536, 56270), (4590, 55608), (4634, 55080), (4760, 53622), (4965, 51408), (5040, 50643), (5296, 48195), (5355, 47664), (5508, 46340), (5627, 45360), (5670, 45016), (5712, 44685), (5958, 42840), (6120, 41706), (6426, 39720), (6480, 39389), (6620, 38556), (6885, 37072), (6951, 36720), (7140, 35748), (7344, 34755), (7560, 33762), (7944, 32130), (8568, 29790), (8937, 28560), (9072, 28135), (9180, 27804), (9268, 27540), (9520, 26811), (9639, 26480), (9930, 25704), (10710, 23832), (11016, 23170), (11254, 22680), (11340, 22508), (11585, 22032), (11916, 21420), (12240, 20853), (12852, 19860), (13240, 19278), (13770, 18536), (13902, 18360), (14280, 17874), (14895, 17136), (15120, 16881), (15888, 16065)]