15780490120

素因数分解:

$2^3\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{371131}}^1$

素因数の和:372205

約数の個数: 32

約数和(自身を含む): 35539600320

約数和(自身を除く): 19759110200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1063, 2126, 4252, 5315, 8504, 10630, 21260, 42520, 371131, 742262, 1484524, 1855655, 2969048, 3711310, 7422620, 14845240, 394512253, 789024506, 1578049012, 1972561265, 3156098024, 3945122530, 7890245060, 15780490120]

約数ペア:

[(1, 15780490120), (2, 7890245060), (4, 3945122530), (5, 3156098024), (8, 1972561265), (10, 1578049012), (20, 789024506), (40, 394512253), (1063, 14845240), (2126, 7422620), (4252, 3711310), (5315, 2969048), (8504, 1855655), (10630, 1484524), (21260, 742262), (42520, 371131)]