1280596960

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{22171}}^1$

素因数の和:22224

約数の個数: 72

約数和(自身を含む): 3193167096

約数和(自身を除く): 1912570136

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 361, 380, 608, 722, 760, 1444, 1520, 1805, 2888, 3040, 3610, 5776, 7220, 11552, 14440, 22171, 28880, 44342, 57760, 88684, 110855, 177368, 221710, 354736, 421249, 443420, 709472, 842498, 886840, 1684996, 1773680, 2106245, 3369992, 3547360, 4212490, 6739984, 8003731, 8424980, 13479968, 16007462, 16849960, 32014924, 33699920, 40018655, 64029848, 67399840, 80037310, 128059696, 160074620, 256119392, 320149240, 640298480, 1280596960]

約数ペア:

[(1, 1280596960), (2, 640298480), (4, 320149240), (5, 256119392), (8, 160074620), (10, 128059696), (16, 80037310), (19, 67399840), (20, 64029848), (32, 40018655), (38, 33699920), (40, 32014924), (76, 16849960), (80, 16007462), (95, 13479968), (152, 8424980), (160, 8003731), (190, 6739984), (304, 4212490), (361, 3547360), (380, 3369992), (608, 2106245), (722, 1773680), (760, 1684996), (1444, 886840), (1520, 842498), (1805, 709472), (2888, 443420), (3040, 421249), (3610, 354736), (5776, 221710), (7220, 177368), (11552, 110855), (14440, 88684), (22171, 57760), (28880, 44342)]