64168020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 224759808

約数和(自身を除く): 160591788

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 127, 140, 180, 210, 252, 254, 315, 381, 401, 420, 508, 630, 635, 762, 802, 889, 1143, 1203, 1260, 1270, 1524, 1604, 1778, 1905, 2005, 2286, 2406, 2540, 2667, 2807, 3556, 3609, 3810, 4010, 4445, 4572, 4812, 5334, 5614, 5715, 6015, 7218, 7620, 8001, 8020, 8421, 8890, 10668, 11228, 11430, 12030, 13335, 14035, 14436, 16002, 16842, 17780, 18045, 22860, 24060, 25263, 26670, 28070, 32004, 33684, 36090, 40005, 42105, 50526, 50927, 53340, 56140, 72180, 80010, 84210, 101052, 101854, 126315, 152781, 160020, 168420, 203708, 252630, 254635, 305562, 356489, 458343, 505260, 509270, 611124, 712978, 763905, 916686, 1018540, 1069467, 1425956, 1527810, 1782445, 1833372, 2138934, 2291715, 3055620, 3208401, 3564890, 4277868, 4583430, 5347335, 6416802, 7129780, 9166860, 10694670, 12833604, 16042005, 21389340, 32084010, 64168020]

約数ペア:

[(1, 64168020), (2, 32084010), (3, 21389340), (4, 16042005), (5, 12833604), (6, 10694670), (7, 9166860), (9, 7129780), (10, 6416802), (12, 5347335), (14, 4583430), (15, 4277868), (18, 3564890), (20, 3208401), (21, 3055620), (28, 2291715), (30, 2138934), (35, 1833372), (36, 1782445), (42, 1527810), (45, 1425956), (60, 1069467), (63, 1018540), (70, 916686), (84, 763905), (90, 712978), (105, 611124), (126, 509270), (127, 505260), (140, 458343), (180, 356489), (210, 305562), (252, 254635), (254, 252630), (315, 203708), (381, 168420), (401, 160020), (420, 152781), (508, 126315), (630, 101854), (635, 101052), (762, 84210), (802, 80010), (889, 72180), (1143, 56140), (1203, 53340), (1260, 50927), (1270, 50526), (1524, 42105), (1604, 40005), (1778, 36090), (1905, 33684), (2005, 32004), (2286, 28070), (2406, 26670), (2540, 25263), (2667, 24060), (2807, 22860), (3556, 18045), (3609, 17780), (3810, 16842), (4010, 16002), (4445, 14436), (4572, 14035), (4812, 13335), (5334, 12030), (5614, 11430), (5715, 11228), (6015, 10668), (7218, 8890), (7620, 8421), (8001, 8020)]