634440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 2021760

約数和(自身を除く): 1387320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 311, 340, 408, 510, 622, 680, 933, 1020, 1244, 1555, 1866, 2040, 2488, 3110, 3732, 4665, 5287, 6220, 7464, 9330, 10574, 12440, 15861, 18660, 21148, 26435, 31722, 37320, 42296, 52870, 63444, 79305, 105740, 126888, 158610, 211480, 317220, 634440]

約数ペア:

[(1, 634440), (2, 317220), (3, 211480), (4, 158610), (5, 126888), (6, 105740), (8, 79305), (10, 63444), (12, 52870), (15, 42296), (17, 37320), (20, 31722), (24, 26435), (30, 21148), (34, 18660), (40, 15861), (51, 12440), (60, 10574), (68, 9330), (85, 7464), (102, 6220), (120, 5287), (136, 4665), (170, 3732), (204, 3110), (255, 2488), (311, 2040), (340, 1866), (408, 1555), (510, 1244), (622, 1020), (680, 933)]