31909710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:178

約数の個数: 128

約数和(自身を含む): 92565504

約数和(自身を除く): 60655794

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 53, 61, 70, 94, 105, 106, 122, 141, 159, 183, 210, 235, 265, 282, 305, 318, 329, 366, 371, 427, 470, 530, 610, 658, 705, 742, 795, 854, 915, 987, 1113, 1281, 1410, 1590, 1645, 1830, 1855, 1974, 2135, 2226, 2491, 2562, 2867, 3233, 3290, 3710, 4270, 4935, 4982, 5565, 5734, 6405, 6466, 7473, 8601, 9699, 9870, 11130, 12455, 12810, 14335, 14946, 16165, 17202, 17437, 19398, 20069, 22631, 24910, 28670, 32330, 34874, 37365, 40138, 43005, 45262, 48495, 52311, 60207, 67893, 74730, 86010, 87185, 96990, 100345, 104622, 113155, 120414, 135786, 151951, 174370, 200690, 226310, 261555, 301035, 303902, 339465, 455853, 523110, 602070, 678930, 759755, 911706, 1063657, 1519510, 2127314, 2279265, 3190971, 4558530, 5318285, 6381942, 10636570, 15954855, 31909710]

約数ペア:

[(1, 31909710), (2, 15954855), (3, 10636570), (5, 6381942), (6, 5318285), (7, 4558530), (10, 3190971), (14, 2279265), (15, 2127314), (21, 1519510), (30, 1063657), (35, 911706), (42, 759755), (47, 678930), (53, 602070), (61, 523110), (70, 455853), (94, 339465), (105, 303902), (106, 301035), (122, 261555), (141, 226310), (159, 200690), (183, 174370), (210, 151951), (235, 135786), (265, 120414), (282, 113155), (305, 104622), (318, 100345), (329, 96990), (366, 87185), (371, 86010), (427, 74730), (470, 67893), (530, 60207), (610, 52311), (658, 48495), (705, 45262), (742, 43005), (795, 40138), (854, 37365), (915, 34874), (987, 32330), (1113, 28670), (1281, 24910), (1410, 22631), (1590, 20069), (1645, 19398), (1830, 17437), (1855, 17202), (1974, 16165), (2135, 14946), (2226, 14335), (2491, 12810), (2562, 12455), (2867, 11130), (3233, 9870), (3290, 9699), (3710, 8601), (4270, 7473), (4935, 6466), (4982, 6405), (5565, 5734)]