66215280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{275897}}^1$

素因数の和:275913

約数の個数: 40

約数和(自身を含む): 205268112

約数和(自身を除く): 139052832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 275897, 551794, 827691, 1103588, 1379485, 1655382, 2207176, 2758970, 3310764, 4138455, 4414352, 5517940, 6621528, 8276910, 11035880, 13243056, 16553820, 22071760, 33107640, 66215280]

約数ペア:

[(1, 66215280), (2, 33107640), (3, 22071760), (4, 16553820), (5, 13243056), (6, 11035880), (8, 8276910), (10, 6621528), (12, 5517940), (15, 4414352), (16, 4138455), (20, 3310764), (24, 2758970), (30, 2207176), (40, 1655382), (48, 1379485), (60, 1103588), (80, 827691), (120, 551794), (240, 275897)]