156838640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{280069}}^1$

素因数の和:280089

約数の個数: 40

約数和(自身を含む): 416744160

約数和(自身を除く): 259905520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 280069, 560138, 1120276, 1400345, 1960483, 2240552, 2800690, 3920966, 4481104, 5601380, 7841932, 9802415, 11202760, 15683864, 19604830, 22405520, 31367728, 39209660, 78419320, 156838640]

約数ペア:

[(1, 156838640), (2, 78419320), (4, 39209660), (5, 31367728), (7, 22405520), (8, 19604830), (10, 15683864), (14, 11202760), (16, 9802415), (20, 7841932), (28, 5601380), (35, 4481104), (40, 3920966), (56, 2800690), (70, 2240552), (80, 1960483), (112, 1400345), (140, 1120276), (280, 560138), (560, 280069)]