15221960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 37482480

約数和(自身を除く): 22260520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 365, 401, 520, 584, 730, 802, 949, 1460, 1604, 1898, 2005, 2920, 3208, 3796, 4010, 4745, 5213, 7592, 8020, 9490, 10426, 16040, 18980, 20852, 26065, 29273, 37960, 41704, 52130, 58546, 104260, 117092, 146365, 208520, 234184, 292730, 380549, 585460, 761098, 1170920, 1522196, 1902745, 3044392, 3805490, 7610980, 15221960]

約数ペア:

[(1, 15221960), (2, 7610980), (4, 3805490), (5, 3044392), (8, 1902745), (10, 1522196), (13, 1170920), (20, 761098), (26, 585460), (40, 380549), (52, 292730), (65, 234184), (73, 208520), (104, 146365), (130, 117092), (146, 104260), (260, 58546), (292, 52130), (365, 41704), (401, 37960), (520, 29273), (584, 26065), (730, 20852), (802, 18980), (949, 16040), (1460, 10426), (1604, 9490), (1898, 8020), (2005, 7592), (2920, 5213), (3208, 4745), (3796, 4010)]