72999540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{405553}}^1$

素因数の和:405568

約数の個数: 36

約数和(自身を含む): 221432484

約数和(自身を除く): 148432944

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 405553, 811106, 1216659, 1622212, 2027765, 2433318, 3649977, 4055530, 4866636, 6083295, 7299954, 8111060, 12166590, 14599908, 18249885, 24333180, 36499770, 72999540]

約数ペア:

[(1, 72999540), (2, 36499770), (3, 24333180), (4, 18249885), (5, 14599908), (6, 12166590), (9, 8111060), (10, 7299954), (12, 6083295), (15, 4866636), (18, 4055530), (20, 3649977), (30, 2433318), (36, 2027765), (45, 1622212), (60, 1216659), (90, 811106), (180, 405553)]