261256920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53101}}^1$

素因数の和:53156

約数の個数: 64

約数和(自身を含む): 802902240

約数和(自身を除く): 541645320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4920, 53101, 106202, 159303, 212404, 265505, 318606, 424808, 531010, 637212, 796515, 1062020, 1274424, 1593030, 2124040, 2177141, 3186060, 4354282, 6372120, 6531423, 8708564, 10885705, 13062846, 17417128, 21771410, 26125692, 32657115, 43542820, 52251384, 65314230, 87085640, 130628460, 261256920]

約数ペア:

[(1, 261256920), (2, 130628460), (3, 87085640), (4, 65314230), (5, 52251384), (6, 43542820), (8, 32657115), (10, 26125692), (12, 21771410), (15, 17417128), (20, 13062846), (24, 10885705), (30, 8708564), (40, 6531423), (41, 6372120), (60, 4354282), (82, 3186060), (120, 2177141), (123, 2124040), (164, 1593030), (205, 1274424), (246, 1062020), (328, 796515), (410, 637212), (492, 531010), (615, 424808), (820, 318606), (984, 265505), (1230, 212404), (1640, 159303), (2460, 106202), (4920, 53101)]