72561660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1213}}^1$

素因数の和:2222

約数の個数: 48

約数和(自身を含む): 203544096

約数和(自身を除く): 130982436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 997, 1213, 1994, 2426, 2991, 3639, 3988, 4852, 4985, 5982, 6065, 7278, 9970, 11964, 12130, 14556, 14955, 18195, 19940, 24260, 29910, 36390, 59820, 72780, 1209361, 2418722, 3628083, 4837444, 6046805, 7256166, 12093610, 14512332, 18140415, 24187220, 36280830, 72561660]

約数ペア:

[(1, 72561660), (2, 36280830), (3, 24187220), (4, 18140415), (5, 14512332), (6, 12093610), (10, 7256166), (12, 6046805), (15, 4837444), (20, 3628083), (30, 2418722), (60, 1209361), (997, 72780), (1213, 59820), (1994, 36390), (2426, 29910), (2991, 24260), (3639, 19940), (3988, 18195), (4852, 14955), (4985, 14556), (5982, 12130), (6065, 11964), (7278, 9970)]