51785820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1663}}^1$

素因数の和:1851

約数の個数: 72

約数和(自身を含む): 158086656

約数和(自身を除く): 106300836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 865, 1038, 1557, 1663, 1730, 2076, 2595, 3114, 3326, 3460, 4989, 5190, 6228, 6652, 7785, 8315, 9978, 10380, 14967, 15570, 16630, 19956, 24945, 29934, 31140, 33260, 49890, 59868, 74835, 99780, 149670, 287699, 299340, 575398, 863097, 1150796, 1438495, 1726194, 2589291, 2876990, 3452388, 4315485, 5178582, 5753980, 8630970, 10357164, 12946455, 17261940, 25892910, 51785820]

約数ペア:

[(1, 51785820), (2, 25892910), (3, 17261940), (4, 12946455), (5, 10357164), (6, 8630970), (9, 5753980), (10, 5178582), (12, 4315485), (15, 3452388), (18, 2876990), (20, 2589291), (30, 1726194), (36, 1438495), (45, 1150796), (60, 863097), (90, 575398), (173, 299340), (180, 287699), (346, 149670), (519, 99780), (692, 74835), (865, 59868), (1038, 49890), (1557, 33260), (1663, 31140), (1730, 29934), (2076, 24945), (2595, 19956), (3114, 16630), (3326, 15570), (3460, 14967), (4989, 10380), (5190, 9978), (6228, 8315), (6652, 7785)]