2444220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 7635264

約数和(自身を除く): 5191044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 367, 370, 444, 555, 666, 734, 740, 1101, 1110, 1332, 1468, 1665, 1835, 2202, 2220, 3303, 3330, 3670, 4404, 5505, 6606, 6660, 7340, 11010, 13212, 13579, 16515, 22020, 27158, 33030, 40737, 54316, 66060, 67895, 81474, 122211, 135790, 162948, 203685, 244422, 271580, 407370, 488844, 611055, 814740, 1222110, 2444220]

約数ペア:

[(1, 2444220), (2, 1222110), (3, 814740), (4, 611055), (5, 488844), (6, 407370), (9, 271580), (10, 244422), (12, 203685), (15, 162948), (18, 135790), (20, 122211), (30, 81474), (36, 67895), (37, 66060), (45, 54316), (60, 40737), (74, 33030), (90, 27158), (111, 22020), (148, 16515), (180, 13579), (185, 13212), (222, 11010), (333, 7340), (367, 6660), (370, 6606), (444, 5505), (555, 4404), (666, 3670), (734, 3330), (740, 3303), (1101, 2220), (1110, 2202), (1332, 1835), (1468, 1665)]