1971120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:250

約数の個数: 80

約数和(自身を含む): 6285312

約数和(自身を除く): 4314192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 191, 215, 240, 258, 344, 382, 430, 516, 573, 645, 688, 764, 860, 955, 1032, 1146, 1290, 1528, 1720, 1910, 2064, 2292, 2580, 2865, 3056, 3440, 3820, 4584, 5160, 5730, 7640, 8213, 9168, 10320, 11460, 15280, 16426, 22920, 24639, 32852, 41065, 45840, 49278, 65704, 82130, 98556, 123195, 131408, 164260, 197112, 246390, 328520, 394224, 492780, 657040, 985560, 1971120]

約数ペア:

[(1, 1971120), (2, 985560), (3, 657040), (4, 492780), (5, 394224), (6, 328520), (8, 246390), (10, 197112), (12, 164260), (15, 131408), (16, 123195), (20, 98556), (24, 82130), (30, 65704), (40, 49278), (43, 45840), (48, 41065), (60, 32852), (80, 24639), (86, 22920), (120, 16426), (129, 15280), (172, 11460), (191, 10320), (215, 9168), (240, 8213), (258, 7640), (344, 5730), (382, 5160), (430, 4584), (516, 3820), (573, 3440), (645, 3056), (688, 2865), (764, 2580), (860, 2292), (955, 2064), (1032, 1910), (1146, 1720), (1290, 1528)]