9987660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{55487}}^1$

素因数の和:55502

約数の個数: 36

約数和(自身を含む): 30296448

約数和(自身を除く): 20308788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 55487, 110974, 166461, 221948, 277435, 332922, 499383, 554870, 665844, 832305, 998766, 1109740, 1664610, 1997532, 2496915, 3329220, 4993830, 9987660]

約数ペア:

[(1, 9987660), (2, 4993830), (3, 3329220), (4, 2496915), (5, 1997532), (6, 1664610), (9, 1109740), (10, 998766), (12, 832305), (15, 665844), (18, 554870), (20, 499383), (30, 332922), (36, 277435), (45, 221948), (60, 166461), (90, 110974), (180, 55487)]