306525520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{17657}}^1$

素因数の和:17708

約数の個数: 80

約数和(自身を含む): 840803328

約数和(自身を除く): 534277808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 17657, 35314, 70628, 88285, 123599, 141256, 176570, 247198, 282512, 353140, 494396, 547367, 617995, 706280, 988792, 1094734, 1235990, 1412560, 1977584, 2189468, 2471980, 2736835, 3831569, 4378936, 4943960, 5473670, 7663138, 8757872, 9887920, 10947340, 15326276, 19157845, 21894680, 30652552, 38315690, 43789360, 61305104, 76631380, 153262760, 306525520]

約数ペア:

[(1, 306525520), (2, 153262760), (4, 76631380), (5, 61305104), (7, 43789360), (8, 38315690), (10, 30652552), (14, 21894680), (16, 19157845), (20, 15326276), (28, 10947340), (31, 9887920), (35, 8757872), (40, 7663138), (56, 5473670), (62, 4943960), (70, 4378936), (80, 3831569), (112, 2736835), (124, 2471980), (140, 2189468), (155, 1977584), (217, 1412560), (248, 1235990), (280, 1094734), (310, 988792), (434, 706280), (496, 617995), (560, 547367), (620, 494396), (868, 353140), (1085, 282512), (1240, 247198), (1736, 176570), (2170, 141256), (2480, 123599), (3472, 88285), (4340, 70628), (8680, 35314), (17360, 17657)]