1284750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{571}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 3480048

約数和(自身を除く): 2195298

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 225, 250, 375, 450, 571, 750, 1125, 1142, 1713, 2250, 2855, 3426, 5139, 5710, 8565, 10278, 14275, 17130, 25695, 28550, 42825, 51390, 71375, 85650, 128475, 142750, 214125, 256950, 428250, 642375, 1284750]

約数ペア:

[(1, 1284750), (2, 642375), (3, 428250), (5, 256950), (6, 214125), (9, 142750), (10, 128475), (15, 85650), (18, 71375), (25, 51390), (30, 42825), (45, 28550), (50, 25695), (75, 17130), (90, 14275), (125, 10278), (150, 8565), (225, 5710), (250, 5139), (375, 3426), (450, 2855), (571, 2250), (750, 1713), (1125, 1142)]