218121000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{72707}}^1$

素因数の和:72731

約数の個数: 64

約数和(自身を含む): 680546880

約数和(自身を除く): 462425880

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, 72707, 145414, 218121, 290828, 363535, 436242, 581656, 727070, 872484, 1090605, 1454140, 1744968, 1817675, 2181210, 2908280, 3635350, 4362420, 5453025, 7270700, 8724840, 9088375, 10906050, 14541400, 18176750, 21812100, 27265125, 36353500, 43624200, 54530250, 72707000, 109060500, 218121000]

約数ペア:

[(1, 218121000), (2, 109060500), (3, 72707000), (4, 54530250), (5, 43624200), (6, 36353500), (8, 27265125), (10, 21812100), (12, 18176750), (15, 14541400), (20, 10906050), (24, 9088375), (25, 8724840), (30, 7270700), (40, 5453025), (50, 4362420), (60, 3635350), (75, 2908280), (100, 2181210), (120, 1817675), (125, 1744968), (150, 1454140), (200, 1090605), (250, 872484), (300, 727070), (375, 581656), (500, 436242), (600, 363535), (750, 290828), (1000, 218121), (1500, 145414), (3000, 72707)]