142068640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{18121}}^1$

素因数の和:18150

約数の個数: 72

約数和(自身を含む): 390456612

約数和(自身を除く): 248387972

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 18121, 36242, 72484, 90605, 126847, 144968, 181210, 253694, 289936, 362420, 507388, 579872, 634235, 724840, 887929, 1014776, 1268470, 1449680, 1775858, 2029552, 2536940, 2899360, 3551716, 4059104, 4439645, 5073880, 7103432, 8879290, 10147760, 14206864, 17758580, 20295520, 28413728, 35517160, 71034320, 142068640]

約数ペア:

[(1, 142068640), (2, 71034320), (4, 35517160), (5, 28413728), (7, 20295520), (8, 17758580), (10, 14206864), (14, 10147760), (16, 8879290), (20, 7103432), (28, 5073880), (32, 4439645), (35, 4059104), (40, 3551716), (49, 2899360), (56, 2536940), (70, 2029552), (80, 1775858), (98, 1449680), (112, 1268470), (140, 1014776), (160, 887929), (196, 724840), (224, 634235), (245, 579872), (280, 507388), (392, 362420), (490, 289936), (560, 253694), (784, 181210), (980, 144968), (1120, 126847), (1568, 90605), (1960, 72484), (3920, 36242), (7840, 18121)]