81122076

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3617}}^1$

素因数の和:3723

約数の個数: 72

約数和(自身を含む): 237051360

約数和(自身を除く): 155929284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 89, 126, 178, 252, 267, 356, 534, 623, 801, 1068, 1246, 1602, 1869, 2492, 3204, 3617, 3738, 5607, 7234, 7476, 10851, 11214, 14468, 21702, 22428, 25319, 32553, 43404, 50638, 65106, 75957, 101276, 130212, 151914, 227871, 303828, 321913, 455742, 643826, 911484, 965739, 1287652, 1931478, 2253391, 2897217, 3862956, 4506782, 5794434, 6760173, 9013564, 11588868, 13520346, 20280519, 27040692, 40561038, 81122076]

約数ペア:

[(1, 81122076), (2, 40561038), (3, 27040692), (4, 20280519), (6, 13520346), (7, 11588868), (9, 9013564), (12, 6760173), (14, 5794434), (18, 4506782), (21, 3862956), (28, 2897217), (36, 2253391), (42, 1931478), (63, 1287652), (84, 965739), (89, 911484), (126, 643826), (178, 455742), (252, 321913), (267, 303828), (356, 227871), (534, 151914), (623, 130212), (801, 101276), (1068, 75957), (1246, 65106), (1602, 50638), (1869, 43404), (2492, 32553), (3204, 25319), (3617, 22428), (3738, 21702), (5607, 14468), (7234, 11214), (7476, 10851)]