731016880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{20261}}^1$

素因数の和:20326

約数の個数: 80

約数和(自身を含む): 1899440928

約数和(自身を除く): 1168424048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 328, 410, 440, 451, 656, 820, 880, 902, 1640, 1804, 2255, 3280, 3608, 4510, 7216, 9020, 18040, 20261, 36080, 40522, 81044, 101305, 162088, 202610, 222871, 324176, 405220, 445742, 810440, 830701, 891484, 1114355, 1620880, 1661402, 1782968, 2228710, 3322804, 3565936, 4153505, 4457420, 6645608, 8307010, 8914840, 9137711, 13291216, 16614020, 17829680, 18275422, 33228040, 36550844, 45688555, 66456080, 73101688, 91377110, 146203376, 182754220, 365508440, 731016880]

約数ペア:

[(1, 731016880), (2, 365508440), (4, 182754220), (5, 146203376), (8, 91377110), (10, 73101688), (11, 66456080), (16, 45688555), (20, 36550844), (22, 33228040), (40, 18275422), (41, 17829680), (44, 16614020), (55, 13291216), (80, 9137711), (82, 8914840), (88, 8307010), (110, 6645608), (164, 4457420), (176, 4153505), (205, 3565936), (220, 3322804), (328, 2228710), (410, 1782968), (440, 1661402), (451, 1620880), (656, 1114355), (820, 891484), (880, 830701), (902, 810440), (1640, 445742), (1804, 405220), (2255, 324176), (3280, 222871), (3608, 202610), (4510, 162088), (7216, 101305), (9020, 81044), (18040, 40522), (20261, 36080)]