128420520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1070171}}^1$

素因数の和:1070185

約数の個数: 32

約数和(自身を含む): 385261920

約数和(自身を除く): 256841400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1070171, 2140342, 3210513, 4280684, 5350855, 6421026, 8561368, 10701710, 12842052, 16052565, 21403420, 25684104, 32105130, 42806840, 64210260, 128420520]

約数ペア:

[(1, 128420520), (2, 64210260), (3, 42806840), (4, 32105130), (5, 25684104), (6, 21403420), (8, 16052565), (10, 12842052), (12, 10701710), (15, 8561368), (20, 6421026), (24, 5350855), (30, 4280684), (40, 3210513), (60, 2140342), (120, 1070171)]