16470280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 40065840

約数和(自身を除く): 23595560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 136, 170, 212, 265, 340, 424, 457, 530, 680, 901, 914, 1060, 1802, 1828, 2120, 2285, 3604, 3656, 4505, 4570, 7208, 7769, 9010, 9140, 15538, 18020, 18280, 24221, 31076, 36040, 38845, 48442, 62152, 77690, 96884, 121105, 155380, 193768, 242210, 310760, 411757, 484420, 823514, 968840, 1647028, 2058785, 3294056, 4117570, 8235140, 16470280]

約数ペア:

[(1, 16470280), (2, 8235140), (4, 4117570), (5, 3294056), (8, 2058785), (10, 1647028), (17, 968840), (20, 823514), (34, 484420), (40, 411757), (53, 310760), (68, 242210), (85, 193768), (106, 155380), (136, 121105), (170, 96884), (212, 77690), (265, 62152), (340, 48442), (424, 38845), (457, 36040), (530, 31076), (680, 24221), (901, 18280), (914, 18020), (1060, 15538), (1802, 9140), (1828, 9010), (2120, 7769), (2285, 7208), (3604, 4570), (3656, 4505)]