18542640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{77261}}^1$

素因数の和:77277

約数の個数: 40

約数和(自身を含む): 57482928

約数和(自身を除く): 38940288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 77261, 154522, 231783, 309044, 386305, 463566, 618088, 772610, 927132, 1158915, 1236176, 1545220, 1854264, 2317830, 3090440, 3708528, 4635660, 6180880, 9271320, 18542640]

約数ペア:

[(1, 18542640), (2, 9271320), (3, 6180880), (4, 4635660), (5, 3708528), (6, 3090440), (8, 2317830), (10, 1854264), (12, 1545220), (15, 1236176), (16, 1158915), (20, 927132), (24, 772610), (30, 618088), (40, 463566), (48, 386305), (60, 309044), (80, 231783), (120, 154522), (240, 77261)]