66366580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{281}}^1$

素因数の和:545

約数の個数: 72

約数和(自身を含む): 163376136

約数和(自身を除く): 97009556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 241, 245, 281, 482, 490, 562, 964, 980, 1124, 1205, 1405, 1687, 1967, 2410, 2810, 3374, 3934, 4820, 5620, 6748, 7868, 8435, 9835, 11809, 13769, 16870, 19670, 23618, 27538, 33740, 39340, 47236, 55076, 59045, 67721, 68845, 118090, 135442, 137690, 236180, 270884, 275380, 338605, 474047, 677210, 948094, 1354420, 1896188, 2370235, 3318329, 4740470, 6636658, 9480940, 13273316, 16591645, 33183290, 66366580]

約数ペア:

[(1, 66366580), (2, 33183290), (4, 16591645), (5, 13273316), (7, 9480940), (10, 6636658), (14, 4740470), (20, 3318329), (28, 2370235), (35, 1896188), (49, 1354420), (70, 948094), (98, 677210), (140, 474047), (196, 338605), (241, 275380), (245, 270884), (281, 236180), (482, 137690), (490, 135442), (562, 118090), (964, 68845), (980, 67721), (1124, 59045), (1205, 55076), (1405, 47236), (1687, 39340), (1967, 33740), (2410, 27538), (2810, 23618), (3374, 19670), (3934, 16870), (4820, 13769), (5620, 11809), (6748, 9835), (7868, 8435)]