79385680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 120

約数和(自身を含む): 207799200

約数和(自身を除く): 128413520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 59, 80, 88, 110, 118, 121, 139, 176, 220, 236, 242, 278, 295, 440, 472, 484, 556, 590, 605, 649, 695, 880, 944, 968, 1112, 1180, 1210, 1298, 1390, 1529, 1936, 2224, 2360, 2420, 2596, 2780, 3058, 3245, 4720, 4840, 5192, 5560, 6116, 6490, 7139, 7645, 8201, 9680, 10384, 11120, 12232, 12980, 14278, 15290, 16402, 16819, 24464, 25960, 28556, 30580, 32804, 33638, 35695, 41005, 51920, 57112, 61160, 65608, 67276, 71390, 82010, 84095, 90211, 114224, 122320, 131216, 134552, 142780, 164020, 168190, 180422, 269104, 285560, 328040, 336380, 360844, 451055, 571120, 656080, 672760, 721688, 902110, 992321, 1345520, 1443376, 1804220, 1984642, 3608440, 3969284, 4961605, 7216880, 7938568, 9923210, 15877136, 19846420, 39692840, 79385680]

約数ペア:

[(1, 79385680), (2, 39692840), (4, 19846420), (5, 15877136), (8, 9923210), (10, 7938568), (11, 7216880), (16, 4961605), (20, 3969284), (22, 3608440), (40, 1984642), (44, 1804220), (55, 1443376), (59, 1345520), (80, 992321), (88, 902110), (110, 721688), (118, 672760), (121, 656080), (139, 571120), (176, 451055), (220, 360844), (236, 336380), (242, 328040), (278, 285560), (295, 269104), (440, 180422), (472, 168190), (484, 164020), (556, 142780), (590, 134552), (605, 131216), (649, 122320), (695, 114224), (880, 90211), (944, 84095), (968, 82010), (1112, 71390), (1180, 67276), (1210, 65608), (1298, 61160), (1390, 57112), (1529, 51920), (1936, 41005), (2224, 35695), (2360, 33638), (2420, 32804), (2596, 30580), (2780, 28556), (3058, 25960), (3245, 24464), (4720, 16819), (4840, 16402), (5192, 15290), (5560, 14278), (6116, 12980), (6490, 12232), (7139, 11120), (7645, 10384), (8201, 9680)]