31790220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{983}}^1$

素因数の和:1020

約数の個数: 144

約数和(自身を含む): 113073408

約数和(自身を除く): 81283188

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 132, 140, 147, 154, 165, 196, 210, 220, 231, 245, 294, 308, 330, 385, 420, 462, 490, 539, 588, 660, 735, 770, 924, 980, 983, 1078, 1155, 1470, 1540, 1617, 1966, 2156, 2310, 2695, 2940, 2949, 3234, 3932, 4620, 4915, 5390, 5898, 6468, 6881, 8085, 9830, 10780, 10813, 11796, 13762, 14745, 16170, 19660, 20643, 21626, 27524, 29490, 32340, 32439, 34405, 41286, 43252, 48167, 54065, 58980, 64878, 68810, 75691, 82572, 96334, 103215, 108130, 129756, 137620, 144501, 151382, 162195, 192668, 206430, 216260, 227073, 240835, 289002, 302764, 324390, 378455, 412860, 454146, 481670, 529837, 578004, 648780, 722505, 756910, 908292, 963340, 1059674, 1135365, 1445010, 1513820, 1589511, 2119348, 2270730, 2649185, 2890020, 3179022, 4541460, 5298370, 6358044, 7947555, 10596740, 15895110, 31790220]

約数ペア:

[(1, 31790220), (2, 15895110), (3, 10596740), (4, 7947555), (5, 6358044), (6, 5298370), (7, 4541460), (10, 3179022), (11, 2890020), (12, 2649185), (14, 2270730), (15, 2119348), (20, 1589511), (21, 1513820), (22, 1445010), (28, 1135365), (30, 1059674), (33, 963340), (35, 908292), (42, 756910), (44, 722505), (49, 648780), (55, 578004), (60, 529837), (66, 481670), (70, 454146), (77, 412860), (84, 378455), (98, 324390), (105, 302764), (110, 289002), (132, 240835), (140, 227073), (147, 216260), (154, 206430), (165, 192668), (196, 162195), (210, 151382), (220, 144501), (231, 137620), (245, 129756), (294, 108130), (308, 103215), (330, 96334), (385, 82572), (420, 75691), (462, 68810), (490, 64878), (539, 58980), (588, 54065), (660, 48167), (735, 43252), (770, 41286), (924, 34405), (980, 32439), (983, 32340), (1078, 29490), (1155, 27524), (1470, 21626), (1540, 20643), (1617, 19660), (1966, 16170), (2156, 14745), (2310, 13762), (2695, 11796), (2940, 10813), (2949, 10780), (3234, 9830), (3932, 8085), (4620, 6881), (4915, 6468), (5390, 5898)]