64752520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{33037}}^1$

素因数の和:33062

約数の個数: 48

約数和(自身を含む): 169484940

約数和(自身を除く): 104732420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 33037, 66074, 132148, 165185, 231259, 264296, 330370, 462518, 660740, 925036, 1156295, 1321480, 1618813, 1850072, 2312590, 3237626, 4625180, 6475252, 8094065, 9250360, 12950504, 16188130, 32376260, 64752520]

約数ペア:

[(1, 64752520), (2, 32376260), (4, 16188130), (5, 12950504), (7, 9250360), (8, 8094065), (10, 6475252), (14, 4625180), (20, 3237626), (28, 2312590), (35, 1850072), (40, 1618813), (49, 1321480), (56, 1156295), (70, 925036), (98, 660740), (140, 462518), (196, 330370), (245, 264296), (280, 231259), (392, 165185), (490, 132148), (980, 66074), (1960, 33037)]