2181000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{727}}^1$

素因数の和:751

約数の個数: 64

約数和(自身を含む): 6814080

約数和(自身を除く): 4633080

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, 727, 750, 1000, 1454, 1500, 2181, 2908, 3000, 3635, 4362, 5816, 7270, 8724, 10905, 14540, 17448, 18175, 21810, 29080, 36350, 43620, 54525, 72700, 87240, 90875, 109050, 145400, 181750, 218100, 272625, 363500, 436200, 545250, 727000, 1090500, 2181000]

約数ペア:

[(1, 2181000), (2, 1090500), (3, 727000), (4, 545250), (5, 436200), (6, 363500), (8, 272625), (10, 218100), (12, 181750), (15, 145400), (20, 109050), (24, 90875), (25, 87240), (30, 72700), (40, 54525), (50, 43620), (60, 36350), (75, 29080), (100, 21810), (120, 18175), (125, 17448), (150, 14540), (200, 10905), (250, 8724), (300, 7270), (375, 5816), (500, 4362), (600, 3635), (727, 3000), (750, 2908), (1000, 2181), (1454, 1500)]