28373820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12781}}^1$

素因数の和:12830

約数の個数: 48

約数和(自身を含む): 81600288

約数和(自身を除く): 53226468

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, 12781, 25562, 38343, 51124, 63905, 76686, 127810, 153372, 191715, 255620, 383430, 472897, 766860, 945794, 1418691, 1891588, 2364485, 2837382, 4728970, 5674764, 7093455, 9457940, 14186910, 28373820]

約数ペア:

[(1, 28373820), (2, 14186910), (3, 9457940), (4, 7093455), (5, 5674764), (6, 4728970), (10, 2837382), (12, 2364485), (15, 1891588), (20, 1418691), (30, 945794), (37, 766860), (60, 472897), (74, 383430), (111, 255620), (148, 191715), (185, 153372), (222, 127810), (370, 76686), (444, 63905), (555, 51124), (740, 38343), (1110, 25562), (2220, 12781)]