80986860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6337}}^1$

素因数の和:6423

約数の個数: 72

約数和(自身を含む): 249159456

約数和(自身を除く): 168172596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6337, 6390, 12674, 12780, 19011, 25348, 31685, 38022, 57033, 63370, 76044, 95055, 114066, 126740, 190110, 228132, 285165, 380220, 449927, 570330, 899854, 1140660, 1349781, 1799708, 2249635, 2699562, 4049343, 4499270, 5399124, 6748905, 8098686, 8998540, 13497810, 16197372, 20246715, 26995620, 40493430, 80986860]

約数ペア:

[(1, 80986860), (2, 40493430), (3, 26995620), (4, 20246715), (5, 16197372), (6, 13497810), (9, 8998540), (10, 8098686), (12, 6748905), (15, 5399124), (18, 4499270), (20, 4049343), (30, 2699562), (36, 2249635), (45, 1799708), (60, 1349781), (71, 1140660), (90, 899854), (142, 570330), (180, 449927), (213, 380220), (284, 285165), (355, 228132), (426, 190110), (639, 126740), (710, 114066), (852, 95055), (1065, 76044), (1278, 63370), (1420, 57033), (2130, 38022), (2556, 31685), (3195, 25348), (4260, 19011), (6337, 12780), (6390, 12674)]