85878990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{30781}}^1$

素因数の和:30825

約数の個数: 48

約数和(自身を含む): 230495616

約数和(自身を除く): 144616626

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 30781, 61562, 92343, 153905, 184686, 277029, 307810, 461715, 554058, 923430, 954211, 1385145, 1908422, 2770290, 2862633, 4771055, 5725266, 8587899, 9542110, 14313165, 17175798, 28626330, 42939495, 85878990]

約数ペア:

[(1, 85878990), (2, 42939495), (3, 28626330), (5, 17175798), (6, 14313165), (9, 9542110), (10, 8587899), (15, 5725266), (18, 4771055), (30, 2862633), (31, 2770290), (45, 1908422), (62, 1385145), (90, 954211), (93, 923430), (155, 554058), (186, 461715), (279, 307810), (310, 277029), (465, 184686), (558, 153905), (930, 92343), (1395, 61562), (2790, 30781)]