61234020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3121}}^1$

素因数の和:3245

約数の個数: 72

約数和(自身を含む): 187507320

約数和(自身を除く): 126273300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 3121, 3270, 3924, 4905, 6242, 6540, 9363, 9810, 12484, 15605, 18726, 19620, 28089, 31210, 37452, 46815, 56178, 62420, 93630, 112356, 140445, 187260, 280890, 340189, 561780, 680378, 1020567, 1360756, 1700945, 2041134, 3061701, 3401890, 4082268, 5102835, 6123402, 6803780, 10205670, 12246804, 15308505, 20411340, 30617010, 61234020]

約数ペア:

[(1, 61234020), (2, 30617010), (3, 20411340), (4, 15308505), (5, 12246804), (6, 10205670), (9, 6803780), (10, 6123402), (12, 5102835), (15, 4082268), (18, 3401890), (20, 3061701), (30, 2041134), (36, 1700945), (45, 1360756), (60, 1020567), (90, 680378), (109, 561780), (180, 340189), (218, 280890), (327, 187260), (436, 140445), (545, 112356), (654, 93630), (981, 62420), (1090, 56178), (1308, 46815), (1635, 37452), (1962, 31210), (2180, 28089), (3121, 19620), (3270, 18726), (3924, 15605), (4905, 12484), (6242, 9810), (6540, 9363)]