68614840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1283}}^1$

素因数の和:1492

約数の個数: 64

約数和(自身を含む): 177500160

約数和(自身を除く): 108885320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 191, 280, 382, 764, 955, 1283, 1337, 1528, 1910, 2566, 2674, 3820, 5132, 5348, 6415, 6685, 7640, 8981, 10264, 10696, 12830, 13370, 17962, 25660, 26740, 35924, 44905, 51320, 53480, 71848, 89810, 179620, 245053, 359240, 490106, 980212, 1225265, 1715371, 1960424, 2450530, 3430742, 4901060, 6861484, 8576855, 9802120, 13722968, 17153710, 34307420, 68614840]

約数ペア:

[(1, 68614840), (2, 34307420), (4, 17153710), (5, 13722968), (7, 9802120), (8, 8576855), (10, 6861484), (14, 4901060), (20, 3430742), (28, 2450530), (35, 1960424), (40, 1715371), (56, 1225265), (70, 980212), (140, 490106), (191, 359240), (280, 245053), (382, 179620), (764, 89810), (955, 71848), (1283, 53480), (1337, 51320), (1528, 44905), (1910, 35924), (2566, 26740), (2674, 25660), (3820, 17962), (5132, 13370), (5348, 12830), (6415, 10696), (6685, 10264), (7640, 8981)]