15805545920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{38861}}^1$

素因数の和:38950

約数の個数: 112

約数和(自身を含む): 39799662336

約数和(自身を除く): 23994116416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 155, 160, 164, 205, 248, 310, 320, 328, 410, 496, 620, 656, 820, 992, 1240, 1271, 1312, 1640, 1984, 2480, 2542, 2624, 3280, 4960, 5084, 6355, 6560, 9920, 10168, 12710, 13120, 20336, 25420, 38861, 40672, 50840, 77722, 81344, 101680, 155444, 194305, 203360, 310888, 388610, 406720, 621776, 777220, 1204691, 1243552, 1554440, 1593301, 2409382, 2487104, 3108880, 3186602, 4818764, 6023455, 6217760, 6373204, 7966505, 9637528, 12046910, 12435520, 12746408, 15933010, 19275056, 24093820, 25492816, 31866020, 38550112, 48187640, 49392331, 50985632, 63732040, 77100224, 96375280, 98784662, 101971264, 127464080, 192750560, 197569324, 246961655, 254928160, 385501120, 395138648, 493923310, 509856320, 790277296, 987846620, 1580554592, 1975693240, 3161109184, 3951386480, 7902772960, 15805545920]

約数ペア:

[(1, 15805545920), (2, 7902772960), (4, 3951386480), (5, 3161109184), (8, 1975693240), (10, 1580554592), (16, 987846620), (20, 790277296), (31, 509856320), (32, 493923310), (40, 395138648), (41, 385501120), (62, 254928160), (64, 246961655), (80, 197569324), (82, 192750560), (124, 127464080), (155, 101971264), (160, 98784662), (164, 96375280), (205, 77100224), (248, 63732040), (310, 50985632), (320, 49392331), (328, 48187640), (410, 38550112), (496, 31866020), (620, 25492816), (656, 24093820), (820, 19275056), (992, 15933010), (1240, 12746408), (1271, 12435520), (1312, 12046910), (1640, 9637528), (1984, 7966505), (2480, 6373204), (2542, 6217760), (2624, 6023455), (3280, 4818764), (4960, 3186602), (5084, 3108880), (6355, 2487104), (6560, 2409382), (9920, 1593301), (10168, 1554440), (12710, 1243552), (13120, 1204691), (20336, 777220), (25420, 621776), (38861, 406720), (40672, 388610), (50840, 310888), (77722, 203360), (81344, 194305), (101680, 155444)]