12561080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 32667840

約数和(自身を除く): 20106760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 397, 452, 565, 791, 794, 904, 1130, 1582, 1588, 1985, 2260, 2779, 3164, 3176, 3955, 3970, 4520, 5558, 6328, 7910, 7940, 11116, 13895, 15820, 15880, 22232, 27790, 31640, 44861, 55580, 89722, 111160, 179444, 224305, 314027, 358888, 448610, 628054, 897220, 1256108, 1570135, 1794440, 2512216, 3140270, 6280540, 12561080]

約数ペア:

[(1, 12561080), (2, 6280540), (4, 3140270), (5, 2512216), (7, 1794440), (8, 1570135), (10, 1256108), (14, 897220), (20, 628054), (28, 448610), (35, 358888), (40, 314027), (56, 224305), (70, 179444), (113, 111160), (140, 89722), (226, 55580), (280, 44861), (397, 31640), (452, 27790), (565, 22232), (791, 15880), (794, 15820), (904, 13895), (1130, 11116), (1582, 7940), (1588, 7910), (1985, 6328), (2260, 5558), (2779, 4520), (3164, 3970), (3176, 3955)]