660780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{3671}}^1$

素因数の和:3686

約数の個数: 36

約数和(自身を含む): 2004912

約数和(自身を除く): 1344132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 3671, 7342, 11013, 14684, 18355, 22026, 33039, 36710, 44052, 55065, 66078, 73420, 110130, 132156, 165195, 220260, 330390, 660780]

約数ペア:

[(1, 660780), (2, 330390), (3, 220260), (4, 165195), (5, 132156), (6, 110130), (9, 73420), (10, 66078), (12, 55065), (15, 44052), (18, 36710), (20, 33039), (30, 22026), (36, 18355), (45, 14684), (60, 11013), (90, 7342), (180, 3671)]