81506130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{87641}}^1$

素因数の和:87682

約数の個数: 32

約数和(自身を含む): 201927168

約数和(自身を除く): 120421038

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 87641, 175282, 262923, 438205, 525846, 876410, 1314615, 2629230, 2716871, 5433742, 8150613, 13584355, 16301226, 27168710, 40753065, 81506130]

約数ペア:

[(1, 81506130), (2, 40753065), (3, 27168710), (5, 16301226), (6, 13584355), (10, 8150613), (15, 5433742), (30, 2716871), (31, 2629230), (62, 1314615), (93, 876410), (155, 525846), (186, 438205), (310, 262923), (465, 175282), (930, 87641)]