66918420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{123923}}^1$

素因数の和:123941

約数の個数: 48

約数和(自身を含む): 208192320

約数和(自身を除く): 141273900

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, 123923, 247846, 371769, 495692, 619615, 743538, 1115307, 1239230, 1487076, 1858845, 2230614, 2478460, 3345921, 3717690, 4461228, 5576535, 6691842, 7435380, 11153070, 13383684, 16729605, 22306140, 33459210, 66918420]

約数ペア:

[(1, 66918420), (2, 33459210), (3, 22306140), (4, 16729605), (5, 13383684), (6, 11153070), (9, 7435380), (10, 6691842), (12, 5576535), (15, 4461228), (18, 3717690), (20, 3345921), (27, 2478460), (30, 2230614), (36, 1858845), (45, 1487076), (54, 1239230), (60, 1115307), (90, 743538), (108, 619615), (135, 495692), (180, 371769), (270, 247846), (540, 123923)]