72474640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{129419}}^1$

素因数の和:129439

約数の個数: 40

約数和(自身を含む): 192576960

約数和(自身を除く): 120102320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 129419, 258838, 517676, 647095, 905933, 1035352, 1294190, 1811866, 2070704, 2588380, 3623732, 4529665, 5176760, 7247464, 9059330, 10353520, 14494928, 18118660, 36237320, 72474640]

約数ペア:

[(1, 72474640), (2, 36237320), (4, 18118660), (5, 14494928), (7, 10353520), (8, 9059330), (10, 7247464), (14, 5176760), (16, 4529665), (20, 3623732), (28, 2588380), (35, 2070704), (40, 1811866), (56, 1294190), (70, 1035352), (80, 905933), (112, 647095), (140, 517676), (280, 258838), (560, 129419)]