68744360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{55439}}^1$

素因数の和:55481

約数の個数: 32

約数和(自身を含む): 159667200

約数和(自身を除く): 90922840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 55439, 110878, 221756, 277195, 443512, 554390, 1108780, 1718609, 2217560, 3437218, 6874436, 8593045, 13748872, 17186090, 34372180, 68744360]

約数ペア:

[(1, 68744360), (2, 34372180), (4, 17186090), (5, 13748872), (8, 8593045), (10, 6874436), (20, 3437218), (31, 2217560), (40, 1718609), (62, 1108780), (124, 554390), (155, 443512), (248, 277195), (310, 221756), (620, 110878), (1240, 55439)]