15891000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{5297}}^1$

素因数の和:5321

約数の個数: 64

約数和(自身を含む): 49589280

約数和(自身を除く): 33698280

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, 750, 1000, 1500, 3000, 5297, 10594, 15891, 21188, 26485, 31782, 42376, 52970, 63564, 79455, 105940, 127128, 132425, 158910, 211880, 264850, 317820, 397275, 529700, 635640, 662125, 794550, 1059400, 1324250, 1589100, 1986375, 2648500, 3178200, 3972750, 5297000, 7945500, 15891000]

約数ペア:

[(1, 15891000), (2, 7945500), (3, 5297000), (4, 3972750), (5, 3178200), (6, 2648500), (8, 1986375), (10, 1589100), (12, 1324250), (15, 1059400), (20, 794550), (24, 662125), (25, 635640), (30, 529700), (40, 397275), (50, 317820), (60, 264850), (75, 211880), (100, 158910), (120, 132425), (125, 127128), (150, 105940), (200, 79455), (250, 63564), (300, 52970), (375, 42376), (500, 31782), (600, 26485), (750, 21188), (1000, 15891), (1500, 10594), (3000, 5297)]