81143430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{87251}}^1$

素因数の和:87292

約数の個数: 32

約数和(自身を含む): 201028608

約数和(自身を除く): 119885178

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 87251, 174502, 261753, 436255, 523506, 872510, 1308765, 2617530, 2704781, 5409562, 8114343, 13523905, 16228686, 27047810, 40571715, 81143430]

約数ペア:

[(1, 81143430), (2, 40571715), (3, 27047810), (5, 16228686), (6, 13523905), (10, 8114343), (15, 5409562), (30, 2704781), (31, 2617530), (62, 1308765), (93, 872510), (155, 523506), (186, 436255), (310, 261753), (465, 174502), (930, 87251)]