131221680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1523}}^1$

素因数の和:1898

約数の個数: 80

約数和(自身を含む): 408188160

約数和(自身を除く): 276966480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 359, 718, 1077, 1436, 1523, 1795, 2154, 2872, 3046, 3590, 4308, 4569, 5385, 5744, 6092, 7180, 7615, 8616, 9138, 10770, 12184, 14360, 15230, 17232, 18276, 21540, 22845, 24368, 28720, 30460, 36552, 43080, 45690, 60920, 73104, 86160, 91380, 121840, 182760, 365520, 546757, 1093514, 1640271, 2187028, 2733785, 3280542, 4374056, 5467570, 6561084, 8201355, 8748112, 10935140, 13122168, 16402710, 21870280, 26244336, 32805420, 43740560, 65610840, 131221680]

約数ペア:

[(1, 131221680), (2, 65610840), (3, 43740560), (4, 32805420), (5, 26244336), (6, 21870280), (8, 16402710), (10, 13122168), (12, 10935140), (15, 8748112), (16, 8201355), (20, 6561084), (24, 5467570), (30, 4374056), (40, 3280542), (48, 2733785), (60, 2187028), (80, 1640271), (120, 1093514), (240, 546757), (359, 365520), (718, 182760), (1077, 121840), (1436, 91380), (1523, 86160), (1795, 73104), (2154, 60920), (2872, 45690), (3046, 43080), (3590, 36552), (4308, 30460), (4569, 28720), (5385, 24368), (5744, 22845), (6092, 21540), (7180, 18276), (7615, 17232), (8616, 15230), (9138, 14360), (10770, 12184)]