1680578690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:600

約数の個数: 128

約数和(自身を含む): 3881779200

約数和(自身を除く): 2201200510

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 34, 35, 38, 70, 85, 95, 119, 133, 170, 190, 238, 239, 266, 311, 323, 478, 595, 622, 646, 665, 1190, 1195, 1330, 1555, 1615, 1673, 2177, 2261, 2390, 3110, 3230, 3346, 4063, 4354, 4522, 4541, 5287, 5909, 8126, 8365, 9082, 10574, 10885, 11305, 11818, 16730, 20315, 21770, 22610, 22705, 26435, 28441, 29545, 31787, 37009, 40630, 41363, 45410, 52870, 56882, 59090, 63574, 74018, 74329, 77197, 82726, 100453, 142205, 148658, 154394, 158935, 185045, 200906, 206815, 284410, 317870, 370090, 371645, 385985, 413630, 502265, 520303, 540379, 703171, 743290, 771970, 1004530, 1040606, 1080758, 1263593, 1406342, 1412251, 2527186, 2601515, 2701895, 2824502, 3515855, 5203030, 5403790, 6317965, 7031710, 7061255, 8845151, 9885757, 12635930, 14122510, 17690302, 19771514, 24008267, 44225755, 48016534, 49428785, 88451510, 98857570, 120041335, 168057869, 240082670, 336115738, 840289345, 1680578690]

約数ペア:

[(1, 1680578690), (2, 840289345), (5, 336115738), (7, 240082670), (10, 168057869), (14, 120041335), (17, 98857570), (19, 88451510), (34, 49428785), (35, 48016534), (38, 44225755), (70, 24008267), (85, 19771514), (95, 17690302), (119, 14122510), (133, 12635930), (170, 9885757), (190, 8845151), (238, 7061255), (239, 7031710), (266, 6317965), (311, 5403790), (323, 5203030), (478, 3515855), (595, 2824502), (622, 2701895), (646, 2601515), (665, 2527186), (1190, 1412251), (1195, 1406342), (1330, 1263593), (1555, 1080758), (1615, 1040606), (1673, 1004530), (2177, 771970), (2261, 743290), (2390, 703171), (3110, 540379), (3230, 520303), (3346, 502265), (4063, 413630), (4354, 385985), (4522, 371645), (4541, 370090), (5287, 317870), (5909, 284410), (8126, 206815), (8365, 200906), (9082, 185045), (10574, 158935), (10885, 154394), (11305, 148658), (11818, 142205), (16730, 100453), (20315, 82726), (21770, 77197), (22610, 74329), (22705, 74018), (26435, 63574), (28441, 59090), (29545, 56882), (31787, 52870), (37009, 45410), (40630, 41363)]