64103700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{1997}}^1$

素因数の和:2121

約数の個数: 72

約数和(自身を含む): 187300512

約数和(自身を除く): 123196812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 107, 150, 214, 300, 321, 428, 535, 642, 1070, 1284, 1605, 1997, 2140, 2675, 3210, 3994, 5350, 5991, 6420, 7988, 8025, 9985, 10700, 11982, 16050, 19970, 23964, 29955, 32100, 39940, 49925, 59910, 99850, 119820, 149775, 199700, 213679, 299550, 427358, 599100, 641037, 854716, 1068395, 1282074, 2136790, 2564148, 3205185, 4273580, 5341975, 6410370, 10683950, 12820740, 16025925, 21367900, 32051850, 64103700]

約数ペア:

[(1, 64103700), (2, 32051850), (3, 21367900), (4, 16025925), (5, 12820740), (6, 10683950), (10, 6410370), (12, 5341975), (15, 4273580), (20, 3205185), (25, 2564148), (30, 2136790), (50, 1282074), (60, 1068395), (75, 854716), (100, 641037), (107, 599100), (150, 427358), (214, 299550), (300, 213679), (321, 199700), (428, 149775), (535, 119820), (642, 99850), (1070, 59910), (1284, 49925), (1605, 39940), (1997, 32100), (2140, 29955), (2675, 23964), (3210, 19970), (3994, 16050), (5350, 11982), (5991, 10700), (6420, 9985), (7988, 8025)]