4173780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5351}}^1$

素因数の和:5376

約数の個数: 48

約数和(自身を含む): 12587904

約数和(自身を除く): 8414124

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, 5351, 10702, 16053, 21404, 26755, 32106, 53510, 64212, 69563, 80265, 107020, 139126, 160530, 208689, 278252, 321060, 347815, 417378, 695630, 834756, 1043445, 1391260, 2086890, 4173780]

約数ペア:

[(1, 4173780), (2, 2086890), (3, 1391260), (4, 1043445), (5, 834756), (6, 695630), (10, 417378), (12, 347815), (13, 321060), (15, 278252), (20, 208689), (26, 160530), (30, 139126), (39, 107020), (52, 80265), (60, 69563), (65, 64212), (78, 53510), (130, 32106), (156, 26755), (195, 21404), (260, 16053), (390, 10702), (780, 5351)]