145205820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{4663}}^1$

素因数の和:4851

約数の個数: 72

約数和(自身を含む): 443098656

約数和(自身を除く): 297892836

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, 1730, 2076, 2595, 3114, 3460, 4663, 5190, 6228, 7785, 9326, 10380, 13989, 15570, 18652, 23315, 27978, 31140, 41967, 46630, 55956, 69945, 83934, 93260, 139890, 167868, 209835, 279780, 419670, 806699, 839340, 1613398, 2420097, 3226796, 4033495, 4840194, 7260291, 8066990, 9680388, 12100485, 14520582, 16133980, 24200970, 29041164, 36301455, 48401940, 72602910, 145205820]

約数ペア:

[(1, 145205820), (2, 72602910), (3, 48401940), (4, 36301455), (5, 29041164), (6, 24200970), (9, 16133980), (10, 14520582), (12, 12100485), (15, 9680388), (18, 8066990), (20, 7260291), (30, 4840194), (36, 4033495), (45, 3226796), (60, 2420097), (90, 1613398), (173, 839340), (180, 806699), (346, 419670), (519, 279780), (692, 209835), (865, 167868), (1038, 139890), (1557, 93260), (1730, 83934), (2076, 69945), (2595, 55956), (3114, 46630), (3460, 41967), (4663, 31140), (5190, 27978), (6228, 23315), (7785, 18652), (9326, 15570), (10380, 13989)]