128318120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{5801}}^1$

素因数の和:5898

約数の個数: 64

約数和(自身を含む): 334195200

約数和(自身を除く): 205877080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 4424, 5530, 5801, 11060, 11602, 22120, 23204, 29005, 40607, 46408, 58010, 81214, 116020, 162428, 203035, 232040, 324856, 406070, 458279, 812140, 916558, 1624280, 1833116, 2291395, 3207953, 3666232, 4582790, 6415906, 9165580, 12831812, 16039765, 18331160, 25663624, 32079530, 64159060, 128318120]

約数ペア:

[(1, 128318120), (2, 64159060), (4, 32079530), (5, 25663624), (7, 18331160), (8, 16039765), (10, 12831812), (14, 9165580), (20, 6415906), (28, 4582790), (35, 3666232), (40, 3207953), (56, 2291395), (70, 1833116), (79, 1624280), (140, 916558), (158, 812140), (280, 458279), (316, 406070), (395, 324856), (553, 232040), (632, 203035), (790, 162428), (1106, 116020), (1580, 81214), (2212, 58010), (2765, 46408), (3160, 40607), (4424, 29005), (5530, 23204), (5801, 22120), (11060, 11602)]