90814640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23167}}^1$

素因数の和:23194

約数の個数: 60

約数和(自身を含む): 245627136

約数和(自身を除く): 154812496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 23167, 46334, 92668, 115835, 162169, 185336, 231670, 324338, 370672, 463340, 648676, 810845, 926680, 1135183, 1297352, 1621690, 1853360, 2270366, 2594704, 3243380, 4540732, 5675915, 6486760, 9081464, 11351830, 12973520, 18162928, 22703660, 45407320, 90814640]

約数ペア:

[(1, 90814640), (2, 45407320), (4, 22703660), (5, 18162928), (7, 12973520), (8, 11351830), (10, 9081464), (14, 6486760), (16, 5675915), (20, 4540732), (28, 3243380), (35, 2594704), (40, 2270366), (49, 1853360), (56, 1621690), (70, 1297352), (80, 1135183), (98, 926680), (112, 810845), (140, 648676), (196, 463340), (245, 370672), (280, 324338), (392, 231670), (490, 185336), (560, 162169), (784, 115835), (980, 92668), (1960, 46334), (3920, 23167)]