647427180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{68729}}^1$

素因数の和:68898

約数の個数: 48

約数和(自身を含む): 1824369120

約数和(自身を除く): 1176941940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 3140, 4710, 9420, 68729, 137458, 206187, 274916, 343645, 412374, 687290, 824748, 1030935, 1374580, 2061870, 4123740, 10790453, 21580906, 32371359, 43161812, 53952265, 64742718, 107904530, 129485436, 161856795, 215809060, 323713590, 647427180]

約数ペア:

[(1, 647427180), (2, 323713590), (3, 215809060), (4, 161856795), (5, 129485436), (6, 107904530), (10, 64742718), (12, 53952265), (15, 43161812), (20, 32371359), (30, 21580906), (60, 10790453), (157, 4123740), (314, 2061870), (471, 1374580), (628, 1030935), (785, 824748), (942, 687290), (1570, 412374), (1884, 343645), (2355, 274916), (3140, 206187), (4710, 137458), (9420, 68729)]