61141220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{701}}^1$

素因数の和:813

約数の個数: 72

約数和(自身を含む): 151252920

約数和(自身を除く): 90111700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 356, 445, 490, 623, 701, 890, 980, 1246, 1402, 1780, 2492, 2804, 3115, 3505, 4361, 4907, 6230, 7010, 8722, 9814, 12460, 14020, 17444, 19628, 21805, 24535, 34349, 43610, 49070, 62389, 68698, 87220, 98140, 124778, 137396, 171745, 249556, 311945, 343490, 436723, 623890, 686980, 873446, 1247780, 1746892, 2183615, 3057061, 4367230, 6114122, 8734460, 12228244, 15285305, 30570610, 61141220]

約数ペア:

[(1, 61141220), (2, 30570610), (4, 15285305), (5, 12228244), (7, 8734460), (10, 6114122), (14, 4367230), (20, 3057061), (28, 2183615), (35, 1746892), (49, 1247780), (70, 873446), (89, 686980), (98, 623890), (140, 436723), (178, 343490), (196, 311945), (245, 249556), (356, 171745), (445, 137396), (490, 124778), (623, 98140), (701, 87220), (890, 68698), (980, 62389), (1246, 49070), (1402, 43610), (1780, 34349), (2492, 24535), (2804, 21805), (3115, 19628), (3505, 17444), (4361, 14020), (4907, 12460), (6230, 9814), (7010, 8722)]