66945420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{123973}}^1$

素因数の和:123991

約数の個数: 48

約数和(自身を含む): 208276320

約数和(自身を除く): 141330900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 123973, 247946, 371919, 495892, 619865, 743838, 1115757, 1239730, 1487676, 1859595, 2231514, 2479460, 3347271, 3719190, 4463028, 5578785, 6694542, 7438380, 11157570, 13389084, 16736355, 22315140, 33472710, 66945420]

約数ペア:

[(1, 66945420), (2, 33472710), (3, 22315140), (4, 16736355), (5, 13389084), (6, 11157570), (9, 7438380), (10, 6694542), (12, 5578785), (15, 4463028), (18, 3719190), (20, 3347271), (27, 2479460), (30, 2231514), (36, 1859595), (45, 1487676), (54, 1239730), (60, 1115757), (90, 743838), (108, 619865), (135, 495892), (180, 371919), (270, 247946), (540, 123973)]