321000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{107}}^1$

素因数の和:131

約数の個数: 64

約数和(自身を含む): 1010880

約数和(自身を除く): 689880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 107, 120, 125, 150, 200, 214, 250, 300, 321, 375, 428, 500, 535, 600, 642, 750, 856, 1000, 1070, 1284, 1500, 1605, 2140, 2568, 2675, 3000, 3210, 4280, 5350, 6420, 8025, 10700, 12840, 13375, 16050, 21400, 26750, 32100, 40125, 53500, 64200, 80250, 107000, 160500, 321000]

約数ペア:

[(1, 321000), (2, 160500), (3, 107000), (4, 80250), (5, 64200), (6, 53500), (8, 40125), (10, 32100), (12, 26750), (15, 21400), (20, 16050), (24, 13375), (25, 12840), (30, 10700), (40, 8025), (50, 6420), (60, 5350), (75, 4280), (100, 3210), (107, 3000), (120, 2675), (125, 2568), (150, 2140), (200, 1605), (214, 1500), (250, 1284), (300, 1070), (321, 1000), (375, 856), (428, 750), (500, 642), (535, 600)]