1275284920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:642

約数の個数: 256

約数和(自身を含む): 3847253760

約数和(自身を除く): 2571968840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 37, 40, 52, 56, 65, 68, 70, 74, 85, 91, 104, 119, 130, 136, 140, 148, 170, 182, 185, 221, 238, 259, 260, 280, 296, 340, 364, 370, 442, 455, 476, 481, 518, 520, 557, 595, 629, 680, 728, 740, 884, 910, 952, 962, 1036, 1105, 1114, 1190, 1258, 1295, 1480, 1547, 1768, 1820, 1924, 2072, 2210, 2228, 2380, 2405, 2516, 2590, 2785, 3094, 3145, 3367, 3640, 3848, 3899, 4403, 4420, 4456, 4760, 4810, 5032, 5180, 5570, 6188, 6290, 6734, 7241, 7735, 7798, 8177, 8806, 8840, 9469, 9620, 10360, 11140, 12376, 12580, 13468, 14482, 15470, 15596, 16354, 16835, 17612, 18938, 19240, 19495, 20609, 22015, 22280, 25160, 26936, 28964, 30940, 31192, 32708, 33670, 35224, 36205, 37876, 38990, 40885, 41218, 44030, 47345, 50687, 57239, 57928, 61880, 65416, 66283, 67340, 72410, 75752, 77980, 81770, 82436, 88060, 94690, 101374, 103045, 114478, 123097, 132566, 134680, 144263, 144820, 155960, 163540, 164872, 176120, 189380, 202748, 206090, 228956, 246194, 253435, 265132, 267917, 286195, 288526, 289640, 327080, 331415, 350353, 378760, 405496, 412180, 457912, 492388, 506870, 530264, 535834, 572390, 577052, 615485, 662830, 700706, 721315, 824360, 861679, 984776, 1013740, 1071668, 1144780, 1154104, 1230970, 1325660, 1339585, 1401412, 1442630, 1723358, 1751765, 1875419, 2027480, 2143336, 2289560, 2452471, 2461940, 2651320, 2679170, 2802824, 2885260, 3446716, 3503530, 3750838, 4308395, 4554589, 4904942, 4923880, 5358340, 5770520, 6893432, 7007060, 7501676, 8616790, 9109178, 9377095, 9809884, 10716680, 12262355, 14014120, 15003352, 17233580, 18218356, 18754190, 19619768, 22772945, 24524710, 31882123, 34467160, 36436712, 37508380, 45545890, 49049420, 63764246, 75016760, 91091780, 98098840, 127528492, 159410615, 182183560, 255056984, 318821230, 637642460, 1275284920]

約数ペア:

[(1, 1275284920), (2, 637642460), (4, 318821230), (5, 255056984), (7, 182183560), (8, 159410615), (10, 127528492), (13, 98098840), (14, 91091780), (17, 75016760), (20, 63764246), (26, 49049420), (28, 45545890), (34, 37508380), (35, 36436712), (37, 34467160), (40, 31882123), (52, 24524710), (56, 22772945), (65, 19619768), (68, 18754190), (70, 18218356), (74, 17233580), (85, 15003352), (91, 14014120), (104, 12262355), (119, 10716680), (130, 9809884), (136, 9377095), (140, 9109178), (148, 8616790), (170, 7501676), (182, 7007060), (185, 6893432), (221, 5770520), (238, 5358340), (259, 4923880), (260, 4904942), (280, 4554589), (296, 4308395), (340, 3750838), (364, 3503530), (370, 3446716), (442, 2885260), (455, 2802824), (476, 2679170), (481, 2651320), (518, 2461940), (520, 2452471), (557, 2289560), (595, 2143336), (629, 2027480), (680, 1875419), (728, 1751765), (740, 1723358), (884, 1442630), (910, 1401412), (952, 1339585), (962, 1325660), (1036, 1230970), (1105, 1154104), (1114, 1144780), (1190, 1071668), (1258, 1013740), (1295, 984776), (1480, 861679), (1547, 824360), (1768, 721315), (1820, 700706), (1924, 662830), (2072, 615485), (2210, 577052), (2228, 572390), (2380, 535834), (2405, 530264), (2516, 506870), (2590, 492388), (2785, 457912), (3094, 412180), (3145, 405496), (3367, 378760), (3640, 350353), (3848, 331415), (3899, 327080), (4403, 289640), (4420, 288526), (4456, 286195), (4760, 267917), (4810, 265132), (5032, 253435), (5180, 246194), (5570, 228956), (6188, 206090), (6290, 202748), (6734, 189380), (7241, 176120), (7735, 164872), (7798, 163540), (8177, 155960), (8806, 144820), (8840, 144263), (9469, 134680), (9620, 132566), (10360, 123097), (11140, 114478), (12376, 103045), (12580, 101374), (13468, 94690), (14482, 88060), (15470, 82436), (15596, 81770), (16354, 77980), (16835, 75752), (17612, 72410), (18938, 67340), (19240, 66283), (19495, 65416), (20609, 61880), (22015, 57928), (22280, 57239), (25160, 50687), (26936, 47345), (28964, 44030), (30940, 41218), (31192, 40885), (32708, 38990), (33670, 37876), (35224, 36205)]