64590660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1277}}^1$

素因数の和:1573

約数の個数: 72

約数和(自身を含む): 196776216

約数和(自身を除く): 132185556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 281, 562, 843, 1124, 1277, 1405, 1686, 2529, 2554, 2810, 3372, 3831, 4215, 5058, 5108, 5620, 6385, 7662, 8430, 10116, 11493, 12645, 12770, 15324, 16860, 19155, 22986, 25290, 25540, 38310, 45972, 50580, 57465, 76620, 114930, 229860, 358837, 717674, 1076511, 1435348, 1794185, 2153022, 3229533, 3588370, 4306044, 5382555, 6459066, 7176740, 10765110, 12918132, 16147665, 21530220, 32295330, 64590660]

約数ペア:

[(1, 64590660), (2, 32295330), (3, 21530220), (4, 16147665), (5, 12918132), (6, 10765110), (9, 7176740), (10, 6459066), (12, 5382555), (15, 4306044), (18, 3588370), (20, 3229533), (30, 2153022), (36, 1794185), (45, 1435348), (60, 1076511), (90, 717674), (180, 358837), (281, 229860), (562, 114930), (843, 76620), (1124, 57465), (1277, 50580), (1405, 45972), (1686, 38310), (2529, 25540), (2554, 25290), (2810, 22986), (3372, 19155), (3831, 16860), (4215, 15324), (5058, 12770), (5108, 12645), (5620, 11493), (6385, 10116), (7662, 8430)]