145757960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{1021}}^1$

素因数の和:1158

約数の個数: 64

約数和(自身を含む): 339958080

約数和(自身を除く): 194200120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 83, 86, 166, 172, 215, 332, 344, 415, 430, 664, 830, 860, 1021, 1660, 1720, 2042, 3320, 3569, 4084, 5105, 7138, 8168, 10210, 14276, 17845, 20420, 28552, 35690, 40840, 43903, 71380, 84743, 87806, 142760, 169486, 175612, 219515, 338972, 351224, 423715, 439030, 677944, 847430, 878060, 1694860, 1756120, 3389720, 3643949, 7287898, 14575796, 18219745, 29151592, 36439490, 72878980, 145757960]

約数ペア:

[(1, 145757960), (2, 72878980), (4, 36439490), (5, 29151592), (8, 18219745), (10, 14575796), (20, 7287898), (40, 3643949), (43, 3389720), (83, 1756120), (86, 1694860), (166, 878060), (172, 847430), (215, 677944), (332, 439030), (344, 423715), (415, 351224), (430, 338972), (664, 219515), (830, 175612), (860, 169486), (1021, 142760), (1660, 87806), (1720, 84743), (2042, 71380), (3320, 43903), (3569, 40840), (4084, 35690), (5105, 28552), (7138, 20420), (8168, 17845), (10210, 14276)]