55977660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{310987}}^1$

素因数の和:311002

約数の個数: 36

約数和(自身を含む): 169799448

約数和(自身を除く): 113821788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 310987, 621974, 932961, 1243948, 1554935, 1865922, 2798883, 3109870, 3731844, 4664805, 5597766, 6219740, 9329610, 11195532, 13994415, 18659220, 27988830, 55977660]

約数ペア:

[(1, 55977660), (2, 27988830), (3, 18659220), (4, 13994415), (5, 11195532), (6, 9329610), (9, 6219740), (10, 5597766), (12, 4664805), (15, 3731844), (18, 3109870), (20, 2798883), (30, 1865922), (36, 1554935), (45, 1243948), (60, 932961), (90, 621974), (180, 310987)]