20120280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1567}}^1$

素因数の和:1688

約数の個数: 64

約数和(自身を含む): 60963840

約数和(自身を除く): 40843560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 856, 1070, 1284, 1567, 1605, 2140, 2568, 3134, 3210, 4280, 4701, 6268, 6420, 7835, 9402, 12536, 12840, 15670, 18804, 23505, 31340, 37608, 47010, 62680, 94020, 167669, 188040, 335338, 503007, 670676, 838345, 1006014, 1341352, 1676690, 2012028, 2515035, 3353380, 4024056, 5030070, 6706760, 10060140, 20120280]

約数ペア:

[(1, 20120280), (2, 10060140), (3, 6706760), (4, 5030070), (5, 4024056), (6, 3353380), (8, 2515035), (10, 2012028), (12, 1676690), (15, 1341352), (20, 1006014), (24, 838345), (30, 670676), (40, 503007), (60, 335338), (107, 188040), (120, 167669), (214, 94020), (321, 62680), (428, 47010), (535, 37608), (642, 31340), (856, 23505), (1070, 18804), (1284, 15670), (1567, 12840), (1605, 12536), (2140, 9402), (2568, 7835), (3134, 6420), (3210, 6268), (4280, 4701)]