7980180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{787}}^1$

素因数の和:825

約数の個数: 72

約数和(自身を含む): 24226272

約数和(自身を除く): 16246092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 787, 845, 1014, 1574, 1690, 2028, 2361, 2535, 3148, 3380, 3935, 4722, 5070, 7870, 9444, 10140, 10231, 11805, 15740, 20462, 23610, 30693, 40924, 47220, 51155, 61386, 102310, 122772, 133003, 153465, 204620, 266006, 306930, 399009, 532012, 613860, 665015, 798018, 1330030, 1596036, 1995045, 2660060, 3990090, 7980180]

約数ペア:

[(1, 7980180), (2, 3990090), (3, 2660060), (4, 1995045), (5, 1596036), (6, 1330030), (10, 798018), (12, 665015), (13, 613860), (15, 532012), (20, 399009), (26, 306930), (30, 266006), (39, 204620), (52, 153465), (60, 133003), (65, 122772), (78, 102310), (130, 61386), (156, 51155), (169, 47220), (195, 40924), (260, 30693), (338, 23610), (390, 20462), (507, 15740), (676, 11805), (780, 10231), (787, 10140), (845, 9444), (1014, 7870), (1574, 5070), (1690, 4722), (2028, 3935), (2361, 3380), (2535, 3148)]