77660720

素因数分解:

$2^4\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1171}}^1$

素因数の和:2013

約数の個数: 40

約数和(自身を含む): 180933360

約数和(自身を除く): 103272640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 829, 1171, 1658, 2342, 3316, 4145, 4684, 5855, 6632, 8290, 9368, 11710, 13264, 16580, 18736, 23420, 33160, 46840, 66320, 93680, 970759, 1941518, 3883036, 4853795, 7766072, 9707590, 15532144, 19415180, 38830360, 77660720]

約数ペア:

[(1, 77660720), (2, 38830360), (4, 19415180), (5, 15532144), (8, 9707590), (10, 7766072), (16, 4853795), (20, 3883036), (40, 1941518), (80, 970759), (829, 93680), (1171, 66320), (1658, 46840), (2342, 33160), (3316, 23420), (4145, 18736), (4684, 16580), (5855, 13264), (6632, 11710), (8290, 9368)]