71220780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{395671}}^1$

素因数の和:395686

約数の個数: 36

約数和(自身を含む): 216036912

約数和(自身を除く): 144816132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 395671, 791342, 1187013, 1582684, 1978355, 2374026, 3561039, 3956710, 4748052, 5935065, 7122078, 7913420, 11870130, 14244156, 17805195, 23740260, 35610390, 71220780]

約数ペア:

[(1, 71220780), (2, 35610390), (3, 23740260), (4, 17805195), (5, 14244156), (6, 11870130), (9, 7913420), (10, 7122078), (12, 5935065), (15, 4748052), (18, 3956710), (20, 3561039), (30, 2374026), (36, 1978355), (45, 1582684), (60, 1187013), (90, 791342), (180, 395671)]