80857500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{10781}}^1$

素因数の和:10808

約数の個数: 60

約数和(自身を含む): 235780776

約数和(自身を除く): 154923276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 750, 1250, 1500, 1875, 2500, 3750, 7500, 10781, 21562, 32343, 43124, 53905, 64686, 107810, 129372, 161715, 215620, 269525, 323430, 539050, 646860, 808575, 1078100, 1347625, 1617150, 2695250, 3234300, 4042875, 5390500, 6738125, 8085750, 13476250, 16171500, 20214375, 26952500, 40428750, 80857500]

約数ペア:

[(1, 80857500), (2, 40428750), (3, 26952500), (4, 20214375), (5, 16171500), (6, 13476250), (10, 8085750), (12, 6738125), (15, 5390500), (20, 4042875), (25, 3234300), (30, 2695250), (50, 1617150), (60, 1347625), (75, 1078100), (100, 808575), (125, 646860), (150, 539050), (250, 323430), (300, 269525), (375, 215620), (500, 161715), (625, 129372), (750, 107810), (1250, 64686), (1500, 53905), (1875, 43124), (2500, 32343), (3750, 21562), (7500, 10781)]