80782500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{10771}}^1$

素因数の和:10798

約数の個数: 60

約数和(自身を含む): 235562096

約数和(自身を除く): 154779596

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, 10771, 21542, 32313, 43084, 53855, 64626, 107710, 129252, 161565, 215420, 269275, 323130, 538550, 646260, 807825, 1077100, 1346375, 1615650, 2692750, 3231300, 4039125, 5385500, 6731875, 8078250, 13463750, 16156500, 20195625, 26927500, 40391250, 80782500]

約数ペア:

[(1, 80782500), (2, 40391250), (3, 26927500), (4, 20195625), (5, 16156500), (6, 13463750), (10, 8078250), (12, 6731875), (15, 5385500), (20, 4039125), (25, 3231300), (30, 2692750), (50, 1615650), (60, 1346375), (75, 1077100), (100, 807825), (125, 646260), (150, 538550), (250, 323130), (300, 269275), (375, 215420), (500, 161565), (625, 129252), (750, 107710), (1250, 64626), (1500, 53855), (1875, 43084), (2500, 32313), (3750, 21542), (7500, 10771)]