68820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:80

約数の個数: 48

約数和(自身を含む): 204288

約数和(自身を除く): 135468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 37, 60, 62, 74, 93, 111, 124, 148, 155, 185, 186, 222, 310, 370, 372, 444, 465, 555, 620, 740, 930, 1110, 1147, 1860, 2220, 2294, 3441, 4588, 5735, 6882, 11470, 13764, 17205, 22940, 34410, 68820]

約数ペア:

[(1, 68820), (2, 34410), (3, 22940), (4, 17205), (5, 13764), (6, 11470), (10, 6882), (12, 5735), (15, 4588), (20, 3441), (30, 2294), (31, 2220), (37, 1860), (60, 1147), (62, 1110), (74, 930), (93, 740), (111, 620), (124, 555), (148, 465), (155, 444), (185, 372), (186, 370), (222, 310)]