28116840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5449}}^1$

素因数の和:5506

約数の個数: 64

約数和(自身を含む): 86328000

約数和(自身を除く): 58211160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 5449, 10898, 16347, 21796, 27245, 32694, 43592, 54490, 65388, 81735, 108980, 130776, 163470, 217960, 234307, 326940, 468614, 653880, 702921, 937228, 1171535, 1405842, 1874456, 2343070, 2811684, 3514605, 4686140, 5623368, 7029210, 9372280, 14058420, 28116840]

約数ペア:

[(1, 28116840), (2, 14058420), (3, 9372280), (4, 7029210), (5, 5623368), (6, 4686140), (8, 3514605), (10, 2811684), (12, 2343070), (15, 1874456), (20, 1405842), (24, 1171535), (30, 937228), (40, 702921), (43, 653880), (60, 468614), (86, 326940), (120, 234307), (129, 217960), (172, 163470), (215, 130776), (258, 108980), (344, 81735), (430, 65388), (516, 54490), (645, 43592), (860, 32694), (1032, 27245), (1290, 21796), (1720, 16347), (2580, 10898), (5160, 5449)]