20180450071880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9511}}^1\times {\mathrm{7577861}}^1$

素因数の和:7587390

約数の個数: 64

約数和(自身を含む): 51898048807680

約数和(自身を除く): 31717598735800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9511, 19022, 38044, 47555, 66577, 76088, 95110, 133154, 190220, 266308, 332885, 380440, 532616, 665770, 1331540, 2663080, 7577861, 15155722, 30311444, 37889305, 53045027, 60622888, 75778610, 106090054, 151557220, 212180108, 265225135, 303114440, 424360216, 530450270, 1060900540, 2121801080, 72073035971, 144146071942, 288292143884, 360365179855, 504511251797, 576584287768, 720730359710, 1009022503594, 1441460719420, 2018045007188, 2522556258985, 2882921438840, 4036090014376, 5045112517970, 10090225035940, 20180450071880]

約数ペア:

[(1, 20180450071880), (2, 10090225035940), (4, 5045112517970), (5, 4036090014376), (7, 2882921438840), (8, 2522556258985), (10, 2018045007188), (14, 1441460719420), (20, 1009022503594), (28, 720730359710), (35, 576584287768), (40, 504511251797), (56, 360365179855), (70, 288292143884), (140, 144146071942), (280, 72073035971), (9511, 2121801080), (19022, 1060900540), (38044, 530450270), (47555, 424360216), (66577, 303114440), (76088, 265225135), (95110, 212180108), (133154, 151557220), (190220, 106090054), (266308, 75778610), (332885, 60622888), (380440, 53045027), (532616, 37889305), (665770, 30311444), (1331540, 15155722), (2663080, 7577861)]