6440220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{967}}^1$

素因数の和:1019

約数の個数: 72

約数和(自身を含む): 20084064

約数和(自身を除く): 13643844

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, 370, 444, 555, 666, 740, 967, 1110, 1332, 1665, 1934, 2220, 2901, 3330, 3868, 4835, 5802, 6660, 8703, 9670, 11604, 14505, 17406, 19340, 29010, 34812, 35779, 43515, 58020, 71558, 87030, 107337, 143116, 174060, 178895, 214674, 322011, 357790, 429348, 536685, 644022, 715580, 1073370, 1288044, 1610055, 2146740, 3220110, 6440220]

約数ペア:

[(1, 6440220), (2, 3220110), (3, 2146740), (4, 1610055), (5, 1288044), (6, 1073370), (9, 715580), (10, 644022), (12, 536685), (15, 429348), (18, 357790), (20, 322011), (30, 214674), (36, 178895), (37, 174060), (45, 143116), (60, 107337), (74, 87030), (90, 71558), (111, 58020), (148, 43515), (180, 35779), (185, 34812), (222, 29010), (333, 19340), (370, 17406), (444, 14505), (555, 11604), (666, 9670), (740, 8703), (967, 6660), (1110, 5802), (1332, 4835), (1665, 3868), (1934, 3330), (2220, 2901)]