64277220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{21863}}^1$

素因数の和:21889

約数の個数: 72

約数和(自身を含む): 209369664

約数和(自身を除く): 145092444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 21863, 43726, 65589, 87452, 109315, 131178, 153041, 218630, 262356, 306082, 327945, 437260, 459123, 612164, 655890, 765205, 918246, 1071287, 1311780, 1530410, 1836492, 2142574, 2295615, 3060820, 3213861, 4285148, 4591230, 5356435, 6427722, 9182460, 10712870, 12855444, 16069305, 21425740, 32138610, 64277220]

約数ペア:

[(1, 64277220), (2, 32138610), (3, 21425740), (4, 16069305), (5, 12855444), (6, 10712870), (7, 9182460), (10, 6427722), (12, 5356435), (14, 4591230), (15, 4285148), (20, 3213861), (21, 3060820), (28, 2295615), (30, 2142574), (35, 1836492), (42, 1530410), (49, 1311780), (60, 1071287), (70, 918246), (84, 765205), (98, 655890), (105, 612164), (140, 459123), (147, 437260), (196, 327945), (210, 306082), (245, 262356), (294, 218630), (420, 153041), (490, 131178), (588, 109315), (735, 87452), (980, 65589), (1470, 43726), (2940, 21863)]