64128120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{76343}}^1$

素因数の和:76364

約数の個数: 64

約数和(自身を含む): 219870720

約数和(自身を除く): 155742600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 76343, 152686, 229029, 305372, 381715, 458058, 534401, 610744, 763430, 916116, 1068802, 1145145, 1526860, 1603203, 1832232, 2137604, 2290290, 2672005, 3053720, 3206406, 4275208, 4580580, 5344010, 6412812, 8016015, 9161160, 10688020, 12825624, 16032030, 21376040, 32064060, 64128120]

約数ペア:

[(1, 64128120), (2, 32064060), (3, 21376040), (4, 16032030), (5, 12825624), (6, 10688020), (7, 9161160), (8, 8016015), (10, 6412812), (12, 5344010), (14, 4580580), (15, 4275208), (20, 3206406), (21, 3053720), (24, 2672005), (28, 2290290), (30, 2137604), (35, 1832232), (40, 1603203), (42, 1526860), (56, 1145145), (60, 1068802), (70, 916116), (84, 763430), (105, 610744), (120, 534401), (140, 458058), (168, 381715), (210, 305372), (280, 229029), (420, 152686), (840, 76343)]