257191320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2143261}}^1$

素因数の和:2143275

約数の個数: 32

約数和(自身を含む): 771574320

約数和(自身を除く): 514383000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2143261, 4286522, 6429783, 8573044, 10716305, 12859566, 17146088, 21432610, 25719132, 32148915, 42865220, 51438264, 64297830, 85730440, 128595660, 257191320]

約数ペア:

[(1, 257191320), (2, 128595660), (3, 85730440), (4, 64297830), (5, 51438264), (6, 42865220), (8, 32148915), (10, 25719132), (12, 21432610), (15, 17146088), (20, 12859566), (24, 10716305), (30, 8573044), (40, 6429783), (60, 4286522), (120, 2143261)]