30734680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 71850240

約数和(自身を除く): 41115560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 107, 167, 172, 214, 215, 334, 344, 428, 430, 535, 668, 835, 856, 860, 1070, 1336, 1670, 1720, 2140, 3340, 4280, 4601, 6680, 7181, 9202, 14362, 17869, 18404, 23005, 28724, 35738, 35905, 36808, 46010, 57448, 71476, 71810, 89345, 92020, 142952, 143620, 178690, 184040, 287240, 357380, 714760, 768367, 1536734, 3073468, 3841835, 6146936, 7683670, 15367340, 30734680]

約数ペア:

[(1, 30734680), (2, 15367340), (4, 7683670), (5, 6146936), (8, 3841835), (10, 3073468), (20, 1536734), (40, 768367), (43, 714760), (86, 357380), (107, 287240), (167, 184040), (172, 178690), (214, 143620), (215, 142952), (334, 92020), (344, 89345), (428, 71810), (430, 71476), (535, 57448), (668, 46010), (835, 36808), (856, 35905), (860, 35738), (1070, 28724), (1336, 23005), (1670, 18404), (1720, 17869), (2140, 14362), (3340, 9202), (4280, 7181), (4601, 6680)]