68840940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2687}}^1$

素因数の和:2767

約数の個数: 96

約数和(自身を含む): 223985664

約数和(自身を除く): 155144724

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 366, 420, 427, 610, 732, 854, 915, 1220, 1281, 1708, 1830, 2135, 2562, 2687, 3660, 4270, 5124, 5374, 6405, 8061, 8540, 10748, 12810, 13435, 16122, 18809, 25620, 26870, 32244, 37618, 40305, 53740, 56427, 75236, 80610, 94045, 112854, 161220, 163907, 188090, 225708, 282135, 327814, 376180, 491721, 564270, 655628, 819535, 983442, 1128540, 1147349, 1639070, 1966884, 2294698, 2458605, 3278140, 3442047, 4589396, 4917210, 5736745, 6884094, 9834420, 11473490, 13768188, 17210235, 22946980, 34420470, 68840940]

約数ペア:

[(1, 68840940), (2, 34420470), (3, 22946980), (4, 17210235), (5, 13768188), (6, 11473490), (7, 9834420), (10, 6884094), (12, 5736745), (14, 4917210), (15, 4589396), (20, 3442047), (21, 3278140), (28, 2458605), (30, 2294698), (35, 1966884), (42, 1639070), (60, 1147349), (61, 1128540), (70, 983442), (84, 819535), (105, 655628), (122, 564270), (140, 491721), (183, 376180), (210, 327814), (244, 282135), (305, 225708), (366, 188090), (420, 163907), (427, 161220), (610, 112854), (732, 94045), (854, 80610), (915, 75236), (1220, 56427), (1281, 53740), (1708, 40305), (1830, 37618), (2135, 32244), (2562, 26870), (2687, 25620), (3660, 18809), (4270, 16122), (5124, 13435), (5374, 12810), (6405, 10748), (8061, 8540)]