1499960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 4216320

約数和(自身を除く): 2716360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 487, 616, 770, 974, 1540, 1948, 2435, 3080, 3409, 3896, 4870, 5357, 6818, 9740, 10714, 13636, 17045, 19480, 21428, 26785, 27272, 34090, 37499, 42856, 53570, 68180, 74998, 107140, 136360, 149996, 187495, 214280, 299992, 374990, 749980, 1499960]

約数ペア:

[(1, 1499960), (2, 749980), (4, 374990), (5, 299992), (7, 214280), (8, 187495), (10, 149996), (11, 136360), (14, 107140), (20, 74998), (22, 68180), (28, 53570), (35, 42856), (40, 37499), (44, 34090), (55, 27272), (56, 26785), (70, 21428), (77, 19480), (88, 17045), (110, 13636), (140, 10714), (154, 9740), (220, 6818), (280, 5357), (308, 4870), (385, 3896), (440, 3409), (487, 3080), (616, 2435), (770, 1948), (974, 1540)]