81715056

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{419}}^1$

素因数の和:686

約数の個数: 80

約数和(自身を含む): 224985600

約数和(自身を除く): 143270544

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 239, 272, 408, 419, 478, 717, 816, 838, 956, 1257, 1434, 1676, 1912, 2514, 2868, 3352, 3824, 4063, 5028, 5736, 6704, 7123, 8126, 10056, 11472, 12189, 14246, 16252, 20112, 21369, 24378, 28492, 32504, 42738, 48756, 56984, 65008, 85476, 97512, 100141, 113968, 170952, 195024, 200282, 300423, 341904, 400564, 600846, 801128, 1201692, 1602256, 1702397, 2403384, 3404794, 4806768, 5107191, 6809588, 10214382, 13619176, 20428764, 27238352, 40857528, 81715056]

約数ペア:

[(1, 81715056), (2, 40857528), (3, 27238352), (4, 20428764), (6, 13619176), (8, 10214382), (12, 6809588), (16, 5107191), (17, 4806768), (24, 3404794), (34, 2403384), (48, 1702397), (51, 1602256), (68, 1201692), (102, 801128), (136, 600846), (204, 400564), (239, 341904), (272, 300423), (408, 200282), (419, 195024), (478, 170952), (717, 113968), (816, 100141), (838, 97512), (956, 85476), (1257, 65008), (1434, 56984), (1676, 48756), (1912, 42738), (2514, 32504), (2868, 28492), (3352, 24378), (3824, 21369), (4063, 20112), (5028, 16252), (5736, 14246), (6704, 12189), (7123, 11472), (8126, 10056)]