81615000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{5441}}^1$

素因数の和:5470

約数の個数: 80

約数和(自身を含む): 255012120

約数和(自身を除く): 173397120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 625, 750, 1000, 1250, 1500, 1875, 2500, 3000, 3750, 5000, 5441, 7500, 10882, 15000, 16323, 21764, 27205, 32646, 43528, 54410, 65292, 81615, 108820, 130584, 136025, 163230, 217640, 272050, 326460, 408075, 544100, 652920, 680125, 816150, 1088200, 1360250, 1632300, 2040375, 2720500, 3264600, 3400625, 4080750, 5441000, 6801250, 8161500, 10201875, 13602500, 16323000, 20403750, 27205000, 40807500, 81615000]

約数ペア:

[(1, 81615000), (2, 40807500), (3, 27205000), (4, 20403750), (5, 16323000), (6, 13602500), (8, 10201875), (10, 8161500), (12, 6801250), (15, 5441000), (20, 4080750), (24, 3400625), (25, 3264600), (30, 2720500), (40, 2040375), (50, 1632300), (60, 1360250), (75, 1088200), (100, 816150), (120, 680125), (125, 652920), (150, 544100), (200, 408075), (250, 326460), (300, 272050), (375, 217640), (500, 163230), (600, 136025), (625, 130584), (750, 108820), (1000, 81615), (1250, 65292), (1500, 54410), (1875, 43528), (2500, 32646), (3000, 27205), (3750, 21764), (5000, 16323), (5441, 15000), (7500, 10882)]