1280538688

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:325

約数の個数: 168

約数和(自身を含む): 3078967680

約数和(自身を除く): 1798428992

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 47, 52, 64, 88, 94, 104, 143, 169, 176, 188, 208, 229, 286, 338, 352, 376, 416, 458, 517, 572, 611, 676, 704, 752, 832, 916, 1034, 1144, 1222, 1352, 1504, 1832, 1859, 2068, 2288, 2444, 2519, 2704, 2977, 3008, 3664, 3718, 4136, 4576, 4888, 5038, 5408, 5954, 6721, 7328, 7436, 7943, 8272, 9152, 9776, 10076, 10763, 10816, 11908, 13442, 14656, 14872, 15886, 16544, 19552, 20152, 21526, 23816, 26884, 29744, 31772, 32747, 33088, 38701, 39104, 40304, 43052, 47632, 53768, 59488, 63544, 65494, 77402, 80608, 86104, 87373, 95264, 107536, 118393, 118976, 127088, 130988, 139919, 154804, 161216, 172208, 174746, 190528, 215072, 236786, 254176, 261976, 279838, 309608, 344416, 349492, 425711, 430144, 473572, 508352, 523952, 559676, 619216, 688832, 698984, 851422, 947144, 1047904, 1119352, 1238432, 1397968, 1539109, 1702844, 1818947, 1894288, 2095808, 2238704, 2476864, 2795936, 3078218, 3405688, 3637894, 3788576, 4477408, 5591872, 6156436, 6811376, 7275788, 7577152, 8954816, 12312872, 13622752, 14551576, 20008417, 24625744, 27245504, 29103152, 40016834, 49251488, 58206304, 80033668, 98502976, 116412608, 160067336, 320134672, 640269344, 1280538688]

約数ペア:

[(1, 1280538688), (2, 640269344), (4, 320134672), (8, 160067336), (11, 116412608), (13, 98502976), (16, 80033668), (22, 58206304), (26, 49251488), (32, 40016834), (44, 29103152), (47, 27245504), (52, 24625744), (64, 20008417), (88, 14551576), (94, 13622752), (104, 12312872), (143, 8954816), (169, 7577152), (176, 7275788), (188, 6811376), (208, 6156436), (229, 5591872), (286, 4477408), (338, 3788576), (352, 3637894), (376, 3405688), (416, 3078218), (458, 2795936), (517, 2476864), (572, 2238704), (611, 2095808), (676, 1894288), (704, 1818947), (752, 1702844), (832, 1539109), (916, 1397968), (1034, 1238432), (1144, 1119352), (1222, 1047904), (1352, 947144), (1504, 851422), (1832, 698984), (1859, 688832), (2068, 619216), (2288, 559676), (2444, 523952), (2519, 508352), (2704, 473572), (2977, 430144), (3008, 425711), (3664, 349492), (3718, 344416), (4136, 309608), (4576, 279838), (4888, 261976), (5038, 254176), (5408, 236786), (5954, 215072), (6721, 190528), (7328, 174746), (7436, 172208), (7943, 161216), (8272, 154804), (9152, 139919), (9776, 130988), (10076, 127088), (10763, 118976), (10816, 118393), (11908, 107536), (13442, 95264), (14656, 87373), (14872, 86104), (15886, 80608), (16544, 77402), (19552, 65494), (20152, 63544), (21526, 59488), (23816, 53768), (26884, 47632), (29744, 43052), (31772, 40304), (32747, 39104), (33088, 38701)]