1312461640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{52667}}^1$

素因数の和:52774

約数の個数: 64

約数和(自身を含む): 3412886400

約数和(自身を除く): 2100424760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 3115, 3560, 4984, 6230, 12460, 24920, 52667, 105334, 210668, 263335, 368669, 421336, 526670, 737338, 1053340, 1474676, 1843345, 2106680, 2949352, 3686690, 4687363, 7373380, 9374726, 14746760, 18749452, 23436815, 32811541, 37498904, 46873630, 65623082, 93747260, 131246164, 164057705, 187494520, 262492328, 328115410, 656230820, 1312461640]

約数ペア:

[(1, 1312461640), (2, 656230820), (4, 328115410), (5, 262492328), (7, 187494520), (8, 164057705), (10, 131246164), (14, 93747260), (20, 65623082), (28, 46873630), (35, 37498904), (40, 32811541), (56, 23436815), (70, 18749452), (89, 14746760), (140, 9374726), (178, 7373380), (280, 4687363), (356, 3686690), (445, 2949352), (623, 2106680), (712, 1843345), (890, 1474676), (1246, 1053340), (1780, 737338), (2492, 526670), (3115, 421336), (3560, 368669), (4984, 263335), (6230, 210668), (12460, 105334), (24920, 52667)]