72502640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{129469}}^1$

素因数の和:129489

約数の個数: 40

約数和(自身を含む): 192651360

約数和(自身を除く): 120148720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 129469, 258938, 517876, 647345, 906283, 1035752, 1294690, 1812566, 2071504, 2589380, 3625132, 4531415, 5178760, 7250264, 9062830, 10357520, 14500528, 18125660, 36251320, 72502640]

約数ペア:

[(1, 72502640), (2, 36251320), (4, 18125660), (5, 14500528), (7, 10357520), (8, 9062830), (10, 7250264), (14, 5178760), (16, 4531415), (20, 3625132), (28, 2589380), (35, 2071504), (40, 1812566), (56, 1294690), (70, 1035752), (80, 906283), (112, 647345), (140, 517876), (280, 258938), (560, 129469)]