81890220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{44027}}^1$

素因数の和:44070

約数の個数: 48

約数和(自身を含む): 236694528

約数和(自身を除く): 154804308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 44027, 88054, 132081, 176108, 220135, 264162, 440270, 528324, 660405, 880540, 1320810, 1364837, 2641620, 2729674, 4094511, 5459348, 6824185, 8189022, 13648370, 16378044, 20472555, 27296740, 40945110, 81890220]

約数ペア:

[(1, 81890220), (2, 40945110), (3, 27296740), (4, 20472555), (5, 16378044), (6, 13648370), (10, 8189022), (12, 6824185), (15, 5459348), (20, 4094511), (30, 2729674), (31, 2641620), (60, 1364837), (62, 1320810), (93, 880540), (124, 660405), (155, 528324), (186, 440270), (310, 264162), (372, 220135), (465, 176108), (620, 132081), (930, 88054), (1860, 44027)]