318433360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{81233}}^1$

素因数の和:81260

約数の個数: 60

約数和(自身を含む): 861242868

約数和(自身を除く): 542809508

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, 392, 490, 560, 784, 980, 1960, 3920, 81233, 162466, 324932, 406165, 568631, 649864, 812330, 1137262, 1299728, 1624660, 2274524, 2843155, 3249320, 3980417, 4549048, 5686310, 6498640, 7960834, 9098096, 11372620, 15921668, 19902085, 22745240, 31843336, 39804170, 45490480, 63686672, 79608340, 159216680, 318433360]

約数ペア:

[(1, 318433360), (2, 159216680), (4, 79608340), (5, 63686672), (7, 45490480), (8, 39804170), (10, 31843336), (14, 22745240), (16, 19902085), (20, 15921668), (28, 11372620), (35, 9098096), (40, 7960834), (49, 6498640), (56, 5686310), (70, 4549048), (80, 3980417), (98, 3249320), (112, 2843155), (140, 2274524), (196, 1624660), (245, 1299728), (280, 1137262), (392, 812330), (490, 649864), (560, 568631), (784, 406165), (980, 324932), (1960, 162466), (3920, 81233)]