81678930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{63317}}^1$

素因数の和:63370

約数の個数: 32

約数和(自身を含む): 200591424

約数和(自身を除く): 118912494

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 63317, 126634, 189951, 316585, 379902, 633170, 949755, 1899510, 2722631, 5445262, 8167893, 13613155, 16335786, 27226310, 40839465, 81678930]

約数ペア:

[(1, 81678930), (2, 40839465), (3, 27226310), (5, 16335786), (6, 13613155), (10, 8167893), (15, 5445262), (30, 2722631), (43, 1899510), (86, 949755), (129, 633170), (215, 379902), (258, 316585), (430, 189951), (645, 126634), (1290, 63317)]