127697680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{151}}^1$

素因数の和:237

約数の個数: 120

約数和(自身を含む): 336889152

約数和(自身を除く): 209191472

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 151, 155, 176, 220, 248, 302, 310, 341, 440, 496, 604, 620, 682, 755, 880, 961, 1208, 1240, 1364, 1510, 1661, 1705, 1922, 2416, 2480, 2728, 3020, 3322, 3410, 3844, 4681, 4805, 5456, 6040, 6644, 6820, 7688, 8305, 9362, 9610, 10571, 12080, 13288, 13640, 15376, 16610, 18724, 19220, 21142, 23405, 26576, 27280, 33220, 37448, 38440, 42284, 46810, 51491, 52855, 66440, 74896, 76880, 84568, 93620, 102982, 105710, 132880, 145111, 169136, 187240, 205964, 211420, 257455, 290222, 374480, 411928, 422840, 514910, 580444, 725555, 823856, 845680, 1029820, 1160888, 1451110, 1596221, 2059640, 2321776, 2902220, 3192442, 4119280, 5804440, 6384884, 7981105, 11608880, 12769768, 15962210, 25539536, 31924420, 63848840, 127697680]

約数ペア:

[(1, 127697680), (2, 63848840), (4, 31924420), (5, 25539536), (8, 15962210), (10, 12769768), (11, 11608880), (16, 7981105), (20, 6384884), (22, 5804440), (31, 4119280), (40, 3192442), (44, 2902220), (55, 2321776), (62, 2059640), (80, 1596221), (88, 1451110), (110, 1160888), (124, 1029820), (151, 845680), (155, 823856), (176, 725555), (220, 580444), (248, 514910), (302, 422840), (310, 411928), (341, 374480), (440, 290222), (496, 257455), (604, 211420), (620, 205964), (682, 187240), (755, 169136), (880, 145111), (961, 132880), (1208, 105710), (1240, 102982), (1364, 93620), (1510, 84568), (1661, 76880), (1705, 74896), (1922, 66440), (2416, 52855), (2480, 51491), (2728, 46810), (3020, 42284), (3322, 38440), (3410, 37448), (3844, 33220), (4681, 27280), (4805, 26576), (5456, 23405), (6040, 21142), (6644, 19220), (6820, 18724), (7688, 16610), (8305, 15376), (9362, 13640), (9610, 13288), (10571, 12080)]