39790260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{499}}^1$

素因数の和:957

約数の個数: 72

約数和(自身を含む): 121212000

約数和(自身を除く): 81421740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 443, 499, 886, 998, 1329, 1497, 1772, 1996, 2215, 2495, 2658, 2994, 3987, 4430, 4491, 4990, 5316, 5988, 6645, 7485, 7974, 8860, 8982, 9980, 13290, 14970, 15948, 17964, 19935, 22455, 26580, 29940, 39870, 44910, 79740, 89820, 221057, 442114, 663171, 884228, 1105285, 1326342, 1989513, 2210570, 2652684, 3315855, 3979026, 4421140, 6631710, 7958052, 9947565, 13263420, 19895130, 39790260]

約数ペア:

[(1, 39790260), (2, 19895130), (3, 13263420), (4, 9947565), (5, 7958052), (6, 6631710), (9, 4421140), (10, 3979026), (12, 3315855), (15, 2652684), (18, 2210570), (20, 1989513), (30, 1326342), (36, 1105285), (45, 884228), (60, 663171), (90, 442114), (180, 221057), (443, 89820), (499, 79740), (886, 44910), (998, 39870), (1329, 29940), (1497, 26580), (1772, 22455), (1996, 19935), (2215, 17964), (2495, 15948), (2658, 14970), (2994, 13290), (3987, 9980), (4430, 8982), (4491, 8860), (4990, 7974), (5316, 7485), (5988, 6645)]