131830240

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2851}}^1$

素因数の和:2900

約数の個数: 72

約数和(自身を含む): 330963192

約数和(自身を除く): 199132952

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 544, 578, 680, 1156, 1360, 1445, 2312, 2720, 2851, 2890, 4624, 5702, 5780, 9248, 11404, 11560, 14255, 22808, 23120, 28510, 45616, 46240, 48467, 57020, 91232, 96934, 114040, 193868, 228080, 242335, 387736, 456160, 484670, 775472, 823939, 969340, 1550944, 1647878, 1938680, 3295756, 3877360, 4119695, 6591512, 7754720, 8239390, 13183024, 16478780, 26366048, 32957560, 65915120, 131830240]

約数ペア:

[(1, 131830240), (2, 65915120), (4, 32957560), (5, 26366048), (8, 16478780), (10, 13183024), (16, 8239390), (17, 7754720), (20, 6591512), (32, 4119695), (34, 3877360), (40, 3295756), (68, 1938680), (80, 1647878), (85, 1550944), (136, 969340), (160, 823939), (170, 775472), (272, 484670), (289, 456160), (340, 387736), (544, 242335), (578, 228080), (680, 193868), (1156, 114040), (1360, 96934), (1445, 91232), (2312, 57020), (2720, 48467), (2851, 46240), (2890, 45616), (4624, 28510), (5702, 23120), (5780, 22808), (9248, 14255), (11404, 11560)]