1311212280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1560967}}^1$

素因数の和:1560988

約数の個数: 64

約数和(自身を含む): 4495587840

約数和(自身を除く): 3184375560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1560967, 3121934, 4682901, 6243868, 7804835, 9365802, 10926769, 12487736, 15609670, 18731604, 21853538, 23414505, 31219340, 32780307, 37463208, 43707076, 46829010, 54633845, 62438680, 65560614, 87414152, 93658020, 109267690, 131121228, 163901535, 187316040, 218535380, 262242456, 327803070, 437070760, 655606140, 1311212280]

約数ペア:

[(1, 1311212280), (2, 655606140), (3, 437070760), (4, 327803070), (5, 262242456), (6, 218535380), (7, 187316040), (8, 163901535), (10, 131121228), (12, 109267690), (14, 93658020), (15, 87414152), (20, 65560614), (21, 62438680), (24, 54633845), (28, 46829010), (30, 43707076), (35, 37463208), (40, 32780307), (42, 31219340), (56, 23414505), (60, 21853538), (70, 18731604), (84, 15609670), (105, 12487736), (120, 10926769), (140, 9365802), (168, 7804835), (210, 6243868), (280, 4682901), (420, 3121934), (840, 1560967)]