64287480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2539}}^1$

素因数の和:2764

約数の個数: 64

約数和(自身を含む): 193852800

約数和(自身を除く): 129565320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 844, 1055, 1266, 1688, 2110, 2532, 2539, 3165, 4220, 5064, 5078, 6330, 7617, 8440, 10156, 12660, 12695, 15234, 20312, 25320, 25390, 30468, 38085, 50780, 60936, 76170, 101560, 152340, 304680, 535729, 1071458, 1607187, 2142916, 2678645, 3214374, 4285832, 5357290, 6428748, 8035935, 10714580, 12857496, 16071870, 21429160, 32143740, 64287480]

約数ペア:

[(1, 64287480), (2, 32143740), (3, 21429160), (4, 16071870), (5, 12857496), (6, 10714580), (8, 8035935), (10, 6428748), (12, 5357290), (15, 4285832), (20, 3214374), (24, 2678645), (30, 2142916), (40, 1607187), (60, 1071458), (120, 535729), (211, 304680), (422, 152340), (633, 101560), (844, 76170), (1055, 60936), (1266, 50780), (1688, 38085), (2110, 30468), (2532, 25390), (2539, 25320), (3165, 20312), (4220, 15234), (5064, 12695), (5078, 12660), (6330, 10156), (7617, 8440)]