140704980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{180391}}^1$

素因数の和:180416

約数の個数: 48

約数和(自身を含む): 424281984

約数和(自身を除く): 283577004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 180391, 360782, 541173, 721564, 901955, 1082346, 1803910, 2164692, 2345083, 2705865, 3607820, 4690166, 5411730, 7035249, 9380332, 10823460, 11725415, 14070498, 23450830, 28140996, 35176245, 46901660, 70352490, 140704980]

約数ペア:

[(1, 140704980), (2, 70352490), (3, 46901660), (4, 35176245), (5, 28140996), (6, 23450830), (10, 14070498), (12, 11725415), (13, 10823460), (15, 9380332), (20, 7035249), (26, 5411730), (30, 4690166), (39, 3607820), (52, 2705865), (60, 2345083), (65, 2164692), (78, 1803910), (130, 1082346), (156, 901955), (195, 721564), (260, 541173), (390, 360782), (780, 180391)]