205288320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{106921}}^1$

素因数の和:106943

約数の個数: 64

約数和(自身を含む): 654362640

約数和(自身を除く): 449074320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 106921, 213842, 320763, 427684, 534605, 641526, 855368, 1069210, 1283052, 1603815, 1710736, 2138420, 2566104, 3207630, 3421472, 4276840, 5132208, 6415260, 6842944, 8553680, 10264416, 12830520, 13685888, 17107360, 20528832, 25661040, 34214720, 41057664, 51322080, 68429440, 102644160, 205288320]

約数ペア:

[(1, 205288320), (2, 102644160), (3, 68429440), (4, 51322080), (5, 41057664), (6, 34214720), (8, 25661040), (10, 20528832), (12, 17107360), (15, 13685888), (16, 12830520), (20, 10264416), (24, 8553680), (30, 6842944), (32, 6415260), (40, 5132208), (48, 4276840), (60, 3421472), (64, 3207630), (80, 2566104), (96, 2138420), (120, 1710736), (128, 1603815), (160, 1283052), (192, 1069210), (240, 855368), (320, 641526), (384, 534605), (480, 427684), (640, 320763), (960, 213842), (1920, 106921)]