82871680

素因数分解:

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

素因数の和:4227

約数の個数: 64

約数和(自身を含む): 204554880

約数和(自身を除く): 121683200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4177, 4960, 8354, 9920, 16708, 19840, 20885, 33416, 41770, 66832, 83540, 129487, 133664, 167080, 258974, 267328, 334160, 517948, 534656, 647435, 668320, 1035896, 1294870, 1336640, 2071792, 2589740, 2673280, 4143584, 5179480, 8287168, 10358960, 16574336, 20717920, 41435840, 82871680]

約数ペア:

[(1, 82871680), (2, 41435840), (4, 20717920), (5, 16574336), (8, 10358960), (10, 8287168), (16, 5179480), (20, 4143584), (31, 2673280), (32, 2589740), (40, 2071792), (62, 1336640), (64, 1294870), (80, 1035896), (124, 668320), (128, 647435), (155, 534656), (160, 517948), (248, 334160), (310, 267328), (320, 258974), (496, 167080), (620, 133664), (640, 129487), (992, 83540), (1240, 66832), (1984, 41770), (2480, 33416), (3968, 20885), (4177, 19840), (4960, 16708), (8354, 9920)]