68467960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{155609}}^1$

素因数の和:155631

約数の個数: 32

約数和(自身を含む): 168058800

約数和(自身を除く): 99590840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 155609, 311218, 622436, 778045, 1244872, 1556090, 1711699, 3112180, 3423398, 6224360, 6846796, 8558495, 13693592, 17116990, 34233980, 68467960]

約数ペア:

[(1, 68467960), (2, 34233980), (4, 17116990), (5, 13693592), (8, 8558495), (10, 6846796), (11, 6224360), (20, 3423398), (22, 3112180), (40, 1711699), (44, 1556090), (55, 1244872), (88, 778045), (110, 622436), (220, 311218), (440, 155609)]