67720280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73609}}^1$

素因数の和:73643

約数の個数: 32

約数和(自身を含む): 158997600

約数和(自身を除く): 91277320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 73609, 147218, 294436, 368045, 588872, 736090, 1472180, 1693007, 2944360, 3386014, 6772028, 8465035, 13544056, 16930070, 33860140, 67720280]

約数ペア:

[(1, 67720280), (2, 33860140), (4, 16930070), (5, 13544056), (8, 8465035), (10, 6772028), (20, 3386014), (23, 2944360), (40, 1693007), (46, 1472180), (92, 736090), (115, 588872), (184, 368045), (230, 294436), (460, 147218), (920, 73609)]