1257073840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{7639}}^1$

素因数の和:7691

約数の個数: 120

約数和(自身を含む): 3401969760

約数和(自身を除く): 2144895920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 121, 136, 170, 176, 187, 220, 242, 272, 340, 374, 440, 484, 605, 680, 748, 880, 935, 968, 1210, 1360, 1496, 1870, 1936, 2057, 2420, 2992, 3740, 4114, 4840, 7480, 7639, 8228, 9680, 10285, 14960, 15278, 16456, 20570, 30556, 32912, 38195, 41140, 61112, 76390, 82280, 84029, 122224, 129863, 152780, 164560, 168058, 259726, 305560, 336116, 420145, 519452, 611120, 649315, 672232, 840290, 924319, 1038904, 1298630, 1344464, 1428493, 1680580, 1848638, 2077808, 2597260, 2856986, 3361160, 3697276, 4621595, 5194520, 5713972, 6722320, 7142465, 7394552, 9243190, 10389040, 11427944, 14284930, 14789104, 15713423, 18486380, 22855888, 28569860, 31426846, 36972760, 57139720, 62853692, 73945520, 78567115, 114279440, 125707384, 157134230, 251414768, 314268460, 628536920, 1257073840]

約数ペア:

[(1, 1257073840), (2, 628536920), (4, 314268460), (5, 251414768), (8, 157134230), (10, 125707384), (11, 114279440), (16, 78567115), (17, 73945520), (20, 62853692), (22, 57139720), (34, 36972760), (40, 31426846), (44, 28569860), (55, 22855888), (68, 18486380), (80, 15713423), (85, 14789104), (88, 14284930), (110, 11427944), (121, 10389040), (136, 9243190), (170, 7394552), (176, 7142465), (187, 6722320), (220, 5713972), (242, 5194520), (272, 4621595), (340, 3697276), (374, 3361160), (440, 2856986), (484, 2597260), (605, 2077808), (680, 1848638), (748, 1680580), (880, 1428493), (935, 1344464), (968, 1298630), (1210, 1038904), (1360, 924319), (1496, 840290), (1870, 672232), (1936, 649315), (2057, 611120), (2420, 519452), (2992, 420145), (3740, 336116), (4114, 305560), (4840, 259726), (7480, 168058), (7639, 164560), (8228, 152780), (9680, 129863), (10285, 122224), (14960, 84029), (15278, 82280), (16456, 76390), (20570, 61112), (30556, 41140), (32912, 38195)]