66691920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{277883}}^1$

素因数の和:277899

約数の個数: 40

約数和(自身を含む): 206745696

約数和(自身を除く): 140053776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 277883, 555766, 833649, 1111532, 1389415, 1667298, 2223064, 2778830, 3334596, 4168245, 4446128, 5557660, 6669192, 8336490, 11115320, 13338384, 16672980, 22230640, 33345960, 66691920]

約数ペア:

[(1, 66691920), (2, 33345960), (3, 22230640), (4, 16672980), (5, 13338384), (6, 11115320), (8, 8336490), (10, 6669192), (12, 5557660), (15, 4446128), (16, 4168245), (20, 3334596), (24, 2778830), (30, 2223064), (40, 1667298), (48, 1389415), (60, 1111532), (80, 833649), (120, 555766), (240, 277883)]