2560500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{569}}^1$

素因数の和:594

約数の個数: 72

約数和(自身を含む): 8091720

約数和(自身を除く): 5531220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 569, 750, 900, 1125, 1138, 1500, 1707, 2250, 2276, 2845, 3414, 4500, 5121, 5690, 6828, 8535, 10242, 11380, 14225, 17070, 20484, 25605, 28450, 34140, 42675, 51210, 56900, 71125, 85350, 102420, 128025, 142250, 170700, 213375, 256050, 284500, 426750, 512100, 640125, 853500, 1280250, 2560500]

約数ペア:

[(1, 2560500), (2, 1280250), (3, 853500), (4, 640125), (5, 512100), (6, 426750), (9, 284500), (10, 256050), (12, 213375), (15, 170700), (18, 142250), (20, 128025), (25, 102420), (30, 85350), (36, 71125), (45, 56900), (50, 51210), (60, 42675), (75, 34140), (90, 28450), (100, 25605), (125, 20484), (150, 17070), (180, 14225), (225, 11380), (250, 10242), (300, 8535), (375, 6828), (450, 5690), (500, 5121), (569, 4500), (750, 3414), (900, 2845), (1125, 2276), (1138, 2250), (1500, 1707)]