31569980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:183

約数の個数: 96

約数和(自身を含む): 76204800

約数和(自身を除く): 44634820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 53, 58, 65, 79, 106, 116, 130, 145, 158, 212, 260, 265, 290, 316, 377, 395, 530, 580, 689, 754, 790, 1027, 1060, 1378, 1508, 1537, 1580, 1885, 2054, 2291, 2756, 3074, 3445, 3770, 4108, 4187, 4582, 5135, 6148, 6890, 7540, 7685, 8374, 9164, 10270, 11455, 13780, 15370, 16748, 19981, 20540, 20935, 22910, 29783, 30740, 39962, 41870, 45820, 54431, 59566, 79924, 83740, 99905, 108862, 119132, 121423, 148915, 199810, 217724, 242846, 272155, 297830, 399620, 485692, 544310, 595660, 607115, 1088620, 1214230, 1578499, 2428460, 3156998, 6313996, 7892495, 15784990, 31569980]

約数ペア:

[(1, 31569980), (2, 15784990), (4, 7892495), (5, 6313996), (10, 3156998), (13, 2428460), (20, 1578499), (26, 1214230), (29, 1088620), (52, 607115), (53, 595660), (58, 544310), (65, 485692), (79, 399620), (106, 297830), (116, 272155), (130, 242846), (145, 217724), (158, 199810), (212, 148915), (260, 121423), (265, 119132), (290, 108862), (316, 99905), (377, 83740), (395, 79924), (530, 59566), (580, 54431), (689, 45820), (754, 41870), (790, 39962), (1027, 30740), (1060, 29783), (1378, 22910), (1508, 20935), (1537, 20540), (1580, 19981), (1885, 16748), (2054, 15370), (2291, 13780), (2756, 11455), (3074, 10270), (3445, 9164), (3770, 8374), (4108, 7685), (4187, 7540), (4582, 6890), (5135, 6148)]