678139560

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{331}}^1$

素因数の和:629

約数の個数: 256

約数和(自身を含む): 2600755200

約数和(自身を除く): 1922615640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 271, 280, 315, 331, 360, 378, 420, 504, 540, 542, 630, 662, 756, 813, 840, 945, 993, 1080, 1084, 1260, 1324, 1355, 1512, 1626, 1655, 1890, 1897, 1986, 2168, 2317, 2439, 2520, 2648, 2710, 2979, 3252, 3310, 3780, 3794, 3972, 4065, 4634, 4878, 4965, 5420, 5691, 5958, 6504, 6620, 6951, 7317, 7560, 7588, 7944, 8130, 8937, 9268, 9485, 9756, 9930, 10840, 11382, 11585, 11916, 12195, 13240, 13902, 14634, 14895, 15176, 16260, 17073, 17874, 18536, 18970, 19512, 19860, 20853, 22764, 23170, 23832, 24390, 27804, 28455, 29268, 29790, 32520, 34146, 34755, 35748, 36585, 37940, 39720, 41706, 44685, 45528, 46340, 48780, 51219, 55608, 56910, 58536, 59580, 62559, 68292, 69510, 71496, 73170, 75880, 83412, 85365, 89370, 89701, 92680, 97560, 102438, 104265, 113820, 119160, 125118, 136584, 139020, 146340, 166824, 170730, 178740, 179402, 204876, 208530, 227640, 250236, 256095, 269103, 278040, 292680, 312795, 341460, 357480, 358804, 409752, 417060, 448505, 500472, 512190, 538206, 625590, 627907, 682920, 717608, 807309, 834120, 897010, 1024380, 1076412, 1251180, 1255814, 1345515, 1614618, 1794020, 1883721, 2048760, 2152824, 2421927, 2502360, 2511628, 2691030, 3139535, 3229236, 3588040, 3767442, 4036545, 4843854, 5023256, 5382060, 5651163, 6279070, 6458472, 7534884, 8073090, 9418605, 9687708, 10764120, 11302326, 12109635, 12558140, 15069768, 16146180, 16953489, 18837210, 19375416, 22604652, 24219270, 25116280, 28255815, 32292360, 33906978, 37674420, 45209304, 48438540, 56511630, 67813956, 75348840, 84767445, 96877080, 113023260, 135627912, 169534890, 226046520, 339069780, 678139560]

約数ペア:

[(1, 678139560), (2, 339069780), (3, 226046520), (4, 169534890), (5, 135627912), (6, 113023260), (7, 96877080), (8, 84767445), (9, 75348840), (10, 67813956), (12, 56511630), (14, 48438540), (15, 45209304), (18, 37674420), (20, 33906978), (21, 32292360), (24, 28255815), (27, 25116280), (28, 24219270), (30, 22604652), (35, 19375416), (36, 18837210), (40, 16953489), (42, 16146180), (45, 15069768), (54, 12558140), (56, 12109635), (60, 11302326), (63, 10764120), (70, 9687708), (72, 9418605), (84, 8073090), (90, 7534884), (105, 6458472), (108, 6279070), (120, 5651163), (126, 5382060), (135, 5023256), (140, 4843854), (168, 4036545), (180, 3767442), (189, 3588040), (210, 3229236), (216, 3139535), (252, 2691030), (270, 2511628), (271, 2502360), (280, 2421927), (315, 2152824), (331, 2048760), (360, 1883721), (378, 1794020), (420, 1614618), (504, 1345515), (540, 1255814), (542, 1251180), (630, 1076412), (662, 1024380), (756, 897010), (813, 834120), (840, 807309), (945, 717608), (993, 682920), (1080, 627907), (1084, 625590), (1260, 538206), (1324, 512190), (1355, 500472), (1512, 448505), (1626, 417060), (1655, 409752), (1890, 358804), (1897, 357480), (1986, 341460), (2168, 312795), (2317, 292680), (2439, 278040), (2520, 269103), (2648, 256095), (2710, 250236), (2979, 227640), (3252, 208530), (3310, 204876), (3780, 179402), (3794, 178740), (3972, 170730), (4065, 166824), (4634, 146340), (4878, 139020), (4965, 136584), (5420, 125118), (5691, 119160), (5958, 113820), (6504, 104265), (6620, 102438), (6951, 97560), (7317, 92680), (7560, 89701), (7588, 89370), (7944, 85365), (8130, 83412), (8937, 75880), (9268, 73170), (9485, 71496), (9756, 69510), (9930, 68292), (10840, 62559), (11382, 59580), (11585, 58536), (11916, 56910), (12195, 55608), (13240, 51219), (13902, 48780), (14634, 46340), (14895, 45528), (15176, 44685), (16260, 41706), (17073, 39720), (17874, 37940), (18536, 36585), (18970, 35748), (19512, 34755), (19860, 34146), (20853, 32520), (22764, 29790), (23170, 29268), (23832, 28455), (24390, 27804)]