7854660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3967}}^1$

素因数の和:3993

約数の個数: 72

約数和(自身を含む): 25998336

約数和(自身を除く): 18143676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 3967, 7934, 11901, 15868, 19835, 23802, 35703, 39670, 43637, 47604, 59505, 71406, 79340, 87274, 119010, 130911, 142812, 174548, 178515, 218185, 238020, 261822, 357030, 392733, 436370, 523644, 654555, 714060, 785466, 872740, 1309110, 1570932, 1963665, 2618220, 3927330, 7854660]

約数ペア:

[(1, 7854660), (2, 3927330), (3, 2618220), (4, 1963665), (5, 1570932), (6, 1309110), (9, 872740), (10, 785466), (11, 714060), (12, 654555), (15, 523644), (18, 436370), (20, 392733), (22, 357030), (30, 261822), (33, 238020), (36, 218185), (44, 178515), (45, 174548), (55, 142812), (60, 130911), (66, 119010), (90, 87274), (99, 79340), (110, 71406), (132, 59505), (165, 47604), (180, 43637), (198, 39670), (220, 35703), (330, 23802), (396, 19835), (495, 15868), (660, 11901), (990, 7934), (1980, 3967)]