8072720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:192

約数の個数: 80

約数和(自身を含む): 20355840

約数和(自身を除く): 12283120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 113, 152, 188, 190, 226, 235, 304, 376, 380, 452, 470, 565, 752, 760, 893, 904, 940, 1130, 1520, 1786, 1808, 1880, 2147, 2260, 3572, 3760, 4294, 4465, 4520, 5311, 7144, 8588, 8930, 9040, 10622, 10735, 14288, 17176, 17860, 21244, 21470, 26555, 34352, 35720, 42488, 42940, 53110, 71440, 84976, 85880, 100909, 106220, 171760, 201818, 212440, 403636, 424880, 504545, 807272, 1009090, 1614544, 2018180, 4036360, 8072720]

約数ペア:

[(1, 8072720), (2, 4036360), (4, 2018180), (5, 1614544), (8, 1009090), (10, 807272), (16, 504545), (19, 424880), (20, 403636), (38, 212440), (40, 201818), (47, 171760), (76, 106220), (80, 100909), (94, 85880), (95, 84976), (113, 71440), (152, 53110), (188, 42940), (190, 42488), (226, 35720), (235, 34352), (304, 26555), (376, 21470), (380, 21244), (452, 17860), (470, 17176), (565, 14288), (752, 10735), (760, 10622), (893, 9040), (904, 8930), (940, 8588), (1130, 7144), (1520, 5311), (1786, 4520), (1808, 4465), (1880, 4294), (2147, 3760), (2260, 3572)]