65890620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8513}}^1$

素因数の和:8571

約数の個数: 72

約数和(自身を含む): 204540336

約数和(自身を除く): 138649716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 8513, 17026, 25539, 34052, 42565, 51078, 76617, 85130, 102156, 127695, 153234, 170260, 255390, 306468, 366059, 383085, 510780, 732118, 766170, 1098177, 1464236, 1532340, 1830295, 2196354, 3294531, 3660590, 4392708, 5490885, 6589062, 7321180, 10981770, 13178124, 16472655, 21963540, 32945310, 65890620]

約数ペア:

[(1, 65890620), (2, 32945310), (3, 21963540), (4, 16472655), (5, 13178124), (6, 10981770), (9, 7321180), (10, 6589062), (12, 5490885), (15, 4392708), (18, 3660590), (20, 3294531), (30, 2196354), (36, 1830295), (43, 1532340), (45, 1464236), (60, 1098177), (86, 766170), (90, 732118), (129, 510780), (172, 383085), (180, 366059), (215, 306468), (258, 255390), (387, 170260), (430, 153234), (516, 127695), (645, 102156), (774, 85130), (860, 76617), (1290, 51078), (1548, 42565), (1935, 34052), (2580, 25539), (3870, 17026), (7740, 8513)]