12278820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5531}}^1$

素因数の和:5580

約数の個数: 48

約数和(自身を含む): 35316288

約数和(自身を除く): 23037468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 5531, 11062, 16593, 22124, 27655, 33186, 55310, 66372, 82965, 110620, 165930, 204647, 331860, 409294, 613941, 818588, 1023235, 1227882, 2046470, 2455764, 3069705, 4092940, 6139410, 12278820]

約数ペア:

[(1, 12278820), (2, 6139410), (3, 4092940), (4, 3069705), (5, 2455764), (6, 2046470), (10, 1227882), (12, 1023235), (15, 818588), (20, 613941), (30, 409294), (37, 331860), (60, 204647), (74, 165930), (111, 110620), (148, 82965), (185, 66372), (222, 55310), (370, 33186), (444, 27655), (555, 22124), (740, 16593), (1110, 11062), (2220, 5531)]