157144640

素因数分解:

$2^6\times 5^1\times {\mathrm{683}}^1\times {\mathrm{719}}^1$

素因数の和:1419

約数の個数: 56

約数和(自身を含む): 375269760

約数和(自身を除く): 218125120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 683, 719, 1366, 1438, 2732, 2876, 3415, 3595, 5464, 5752, 6830, 7190, 10928, 11504, 13660, 14380, 21856, 23008, 27320, 28760, 43712, 46016, 54640, 57520, 109280, 115040, 218560, 230080, 491077, 982154, 1964308, 2455385, 3928616, 4910770, 7857232, 9821540, 15714464, 19643080, 31428928, 39286160, 78572320, 157144640]

約数ペア:

[(1, 157144640), (2, 78572320), (4, 39286160), (5, 31428928), (8, 19643080), (10, 15714464), (16, 9821540), (20, 7857232), (32, 4910770), (40, 3928616), (64, 2455385), (80, 1964308), (160, 982154), (320, 491077), (683, 230080), (719, 218560), (1366, 115040), (1438, 109280), (2732, 57520), (2876, 54640), (3415, 46016), (3595, 43712), (5464, 28760), (5752, 27320), (6830, 23008), (7190, 21856), (10928, 14380), (11504, 13660)]