1408818560

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4177}}^1$

素因数の和:4244

約数の個数: 128

約数和(自身を含む): 3681987840

約数和(自身を除く): 2273169280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 272, 310, 320, 340, 496, 527, 544, 620, 640, 680, 992, 1054, 1088, 1240, 1360, 1984, 2108, 2176, 2480, 2635, 2720, 3968, 4177, 4216, 4960, 5270, 5440, 8354, 8432, 9920, 10540, 10880, 16708, 16864, 19840, 20885, 21080, 33416, 33728, 41770, 42160, 66832, 67456, 71009, 83540, 84320, 129487, 133664, 142018, 167080, 168640, 258974, 267328, 284036, 334160, 337280, 355045, 517948, 534656, 568072, 647435, 668320, 710090, 1035896, 1136144, 1294870, 1336640, 1420180, 2071792, 2201279, 2272288, 2589740, 2673280, 2840360, 4143584, 4402558, 4544576, 5179480, 5680720, 8287168, 8805116, 9089152, 10358960, 11006395, 11361440, 16574336, 17610232, 20717920, 22012790, 22722880, 35220464, 41435840, 44025580, 45445760, 70440928, 82871680, 88051160, 140881856, 176102320, 281763712, 352204640, 704409280, 1408818560]

約数ペア:

[(1, 1408818560), (2, 704409280), (4, 352204640), (5, 281763712), (8, 176102320), (10, 140881856), (16, 88051160), (17, 82871680), (20, 70440928), (31, 45445760), (32, 44025580), (34, 41435840), (40, 35220464), (62, 22722880), (64, 22012790), (68, 20717920), (80, 17610232), (85, 16574336), (124, 11361440), (128, 11006395), (136, 10358960), (155, 9089152), (160, 8805116), (170, 8287168), (248, 5680720), (272, 5179480), (310, 4544576), (320, 4402558), (340, 4143584), (496, 2840360), (527, 2673280), (544, 2589740), (620, 2272288), (640, 2201279), (680, 2071792), (992, 1420180), (1054, 1336640), (1088, 1294870), (1240, 1136144), (1360, 1035896), (1984, 710090), (2108, 668320), (2176, 647435), (2480, 568072), (2635, 534656), (2720, 517948), (3968, 355045), (4177, 337280), (4216, 334160), (4960, 284036), (5270, 267328), (5440, 258974), (8354, 168640), (8432, 167080), (9920, 142018), (10540, 133664), (10880, 129487), (16708, 84320), (16864, 83540), (19840, 71009), (20885, 67456), (21080, 66832), (33416, 42160), (33728, 41770)]