65334640

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{2381}}^1$

素因数の和:2415

約数の個数: 80

約数和(自身を含む): 177220800

約数和(自身を除く): 111886160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2381, 2744, 3430, 3920, 4762, 5488, 6860, 9524, 11905, 13720, 16667, 19048, 23810, 27440, 33334, 38096, 47620, 66668, 83335, 95240, 116669, 133336, 166670, 190480, 233338, 266672, 333340, 466676, 583345, 666680, 816683, 933352, 1166690, 1333360, 1633366, 1866704, 2333380, 3266732, 4083415, 4666760, 6533464, 8166830, 9333520, 13066928, 16333660, 32667320, 65334640]

約数ペア:

[(1, 65334640), (2, 32667320), (4, 16333660), (5, 13066928), (7, 9333520), (8, 8166830), (10, 6533464), (14, 4666760), (16, 4083415), (20, 3266732), (28, 2333380), (35, 1866704), (40, 1633366), (49, 1333360), (56, 1166690), (70, 933352), (80, 816683), (98, 666680), (112, 583345), (140, 466676), (196, 333340), (245, 266672), (280, 233338), (343, 190480), (392, 166670), (490, 133336), (560, 116669), (686, 95240), (784, 83335), (980, 66668), (1372, 47620), (1715, 38096), (1960, 33334), (2381, 27440), (2744, 23810), (3430, 19048), (3920, 16667), (4762, 13720), (5488, 11905), (6860, 9524)]