30721608

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{9923}}^1$

素因数の和:9978

約数の個数: 48

約数和(自身を含む): 85147920

約数和(自身を除く): 54426312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 1032, 1548, 3096, 9923, 19846, 29769, 39692, 59538, 79384, 89307, 119076, 178614, 238152, 357228, 426689, 714456, 853378, 1280067, 1706756, 2560134, 3413512, 3840201, 5120268, 7680402, 10240536, 15360804, 30721608]

約数ペア:

[(1, 30721608), (2, 15360804), (3, 10240536), (4, 7680402), (6, 5120268), (8, 3840201), (9, 3413512), (12, 2560134), (18, 1706756), (24, 1280067), (36, 853378), (43, 714456), (72, 426689), (86, 357228), (129, 238152), (172, 178614), (258, 119076), (344, 89307), (387, 79384), (516, 59538), (774, 39692), (1032, 29769), (1548, 19846), (3096, 9923)]