644600820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{72103}}^1$

素因数の和:72264

約数の個数: 48

約数和(自身を含む): 1817020800

約数和(自身を除く): 1172419980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 298, 447, 596, 745, 894, 1490, 1788, 2235, 2980, 4470, 8940, 72103, 144206, 216309, 288412, 360515, 432618, 721030, 865236, 1081545, 1442060, 2163090, 4326180, 10743347, 21486694, 32230041, 42973388, 53716735, 64460082, 107433470, 128920164, 161150205, 214866940, 322300410, 644600820]

約数ペア:

[(1, 644600820), (2, 322300410), (3, 214866940), (4, 161150205), (5, 128920164), (6, 107433470), (10, 64460082), (12, 53716735), (15, 42973388), (20, 32230041), (30, 21486694), (60, 10743347), (149, 4326180), (298, 2163090), (447, 1442060), (596, 1081545), (745, 865236), (894, 721030), (1490, 432618), (1788, 360515), (2235, 288412), (2980, 216309), (4470, 144206), (8940, 72103)]