257262120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16619}}^1$

素因数の和:16679

約数の個数: 96

約数和(自身を含む): 855597600

約数和(自身を除く): 598335480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 1032, 1290, 1548, 1720, 1935, 2580, 3096, 3870, 5160, 7740, 15480, 16619, 33238, 49857, 66476, 83095, 99714, 132952, 149571, 166190, 199428, 249285, 299142, 332380, 398856, 498570, 598284, 664760, 714617, 747855, 997140, 1196568, 1429234, 1495710, 1994280, 2143851, 2858468, 2991420, 3573085, 4287702, 5716936, 5982840, 6431553, 7146170, 8575404, 10719255, 12863106, 14292340, 17150808, 21438510, 25726212, 28584680, 32157765, 42877020, 51452424, 64315530, 85754040, 128631060, 257262120]

約数ペア:

[(1, 257262120), (2, 128631060), (3, 85754040), (4, 64315530), (5, 51452424), (6, 42877020), (8, 32157765), (9, 28584680), (10, 25726212), (12, 21438510), (15, 17150808), (18, 14292340), (20, 12863106), (24, 10719255), (30, 8575404), (36, 7146170), (40, 6431553), (43, 5982840), (45, 5716936), (60, 4287702), (72, 3573085), (86, 2991420), (90, 2858468), (120, 2143851), (129, 1994280), (172, 1495710), (180, 1429234), (215, 1196568), (258, 997140), (344, 747855), (360, 714617), (387, 664760), (430, 598284), (516, 498570), (645, 398856), (774, 332380), (860, 299142), (1032, 249285), (1290, 199428), (1548, 166190), (1720, 149571), (1935, 132952), (2580, 99714), (3096, 83095), (3870, 66476), (5160, 49857), (7740, 33238), (15480, 16619)]