129178620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{717659}}^1$

素因数の和:717674

約数の個数: 36

約数和(自身を含む): 391842360

約数和(自身を除く): 262663740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 717659, 1435318, 2152977, 2870636, 3588295, 4305954, 6458931, 7176590, 8611908, 10764885, 12917862, 14353180, 21529770, 25835724, 32294655, 43059540, 64589310, 129178620]

約数ペア:

[(1, 129178620), (2, 64589310), (3, 43059540), (4, 32294655), (5, 25835724), (6, 21529770), (9, 14353180), (10, 12917862), (12, 10764885), (15, 8611908), (18, 7176590), (20, 6458931), (30, 4305954), (36, 3588295), (45, 2870636), (60, 2152977), (90, 1435318), (180, 717659)]