15792640

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:253

約数の個数: 80

約数和(自身を含む): 39283200

約数和(自身を除く): 23490560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 199, 248, 256, 310, 320, 398, 496, 512, 620, 640, 796, 992, 995, 1240, 1280, 1592, 1984, 1990, 2480, 2560, 3184, 3968, 3980, 4960, 6169, 6368, 7936, 7960, 9920, 12338, 12736, 15872, 15920, 19840, 24676, 25472, 30845, 31840, 39680, 49352, 50944, 61690, 63680, 79360, 98704, 101888, 123380, 127360, 197408, 246760, 254720, 394816, 493520, 509440, 789632, 987040, 1579264, 1974080, 3158528, 3948160, 7896320, 15792640]

約数ペア:

[(1, 15792640), (2, 7896320), (4, 3948160), (5, 3158528), (8, 1974080), (10, 1579264), (16, 987040), (20, 789632), (31, 509440), (32, 493520), (40, 394816), (62, 254720), (64, 246760), (80, 197408), (124, 127360), (128, 123380), (155, 101888), (160, 98704), (199, 79360), (248, 63680), (256, 61690), (310, 50944), (320, 49352), (398, 39680), (496, 31840), (512, 30845), (620, 25472), (640, 24676), (796, 19840), (992, 15920), (995, 15872), (1240, 12736), (1280, 12338), (1592, 9920), (1984, 7960), (1990, 7936), (2480, 6368), (2560, 6169), (3184, 4960), (3968, 3980)]