129402780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{165901}}^1$

素因数の和:165926

約数の個数: 48

約数和(自身を含む): 390201504

約数和(自身を除く): 260798724

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, 165901, 331802, 497703, 663604, 829505, 995406, 1659010, 1990812, 2156713, 2488515, 3318020, 4313426, 4977030, 6470139, 8626852, 9954060, 10783565, 12940278, 21567130, 25880556, 32350695, 43134260, 64701390, 129402780]

約数ペア:

[(1, 129402780), (2, 64701390), (3, 43134260), (4, 32350695), (5, 25880556), (6, 21567130), (10, 12940278), (12, 10783565), (13, 9954060), (15, 8626852), (20, 6470139), (26, 4977030), (30, 4313426), (39, 3318020), (52, 2488515), (60, 2156713), (65, 1990812), (78, 1659010), (130, 995406), (156, 829505), (195, 663604), (260, 497703), (390, 331802), (780, 165901)]