1280250

素因数分解:

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

素因数の和:592

約数の個数: 48

約数和(自身を含む): 3467880

約数和(自身を除く): 2187630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 225, 250, 375, 450, 569, 750, 1125, 1138, 1707, 2250, 2845, 3414, 5121, 5690, 8535, 10242, 14225, 17070, 25605, 28450, 42675, 51210, 71125, 85350, 128025, 142250, 213375, 256050, 426750, 640125, 1280250]

約数ペア:

[(1, 1280250), (2, 640125), (3, 426750), (5, 256050), (6, 213375), (9, 142250), (10, 128025), (15, 85350), (18, 71125), (25, 51210), (30, 42675), (45, 28450), (50, 25605), (75, 17070), (90, 14225), (125, 10242), (150, 8535), (225, 5690), (250, 5121), (375, 3414), (450, 2845), (569, 2250), (750, 1707), (1125, 1138)]