165163520

素因数分解:

$2^9\times 5^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1$

素因数の和:605

約数の個数: 80

約数和(自身を含む): 399583800

約数和(自身を除く): 234420280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 149, 160, 256, 298, 320, 433, 512, 596, 640, 745, 866, 1192, 1280, 1490, 1732, 2165, 2384, 2560, 2980, 3464, 4330, 4768, 5960, 6928, 8660, 9536, 11920, 13856, 17320, 19072, 23840, 27712, 34640, 38144, 47680, 55424, 64517, 69280, 76288, 95360, 110848, 129034, 138560, 190720, 221696, 258068, 277120, 322585, 381440, 516136, 554240, 645170, 1032272, 1108480, 1290340, 2064544, 2580680, 4129088, 5161360, 8258176, 10322720, 16516352, 20645440, 33032704, 41290880, 82581760, 165163520]

約数ペア:

[(1, 165163520), (2, 82581760), (4, 41290880), (5, 33032704), (8, 20645440), (10, 16516352), (16, 10322720), (20, 8258176), (32, 5161360), (40, 4129088), (64, 2580680), (80, 2064544), (128, 1290340), (149, 1108480), (160, 1032272), (256, 645170), (298, 554240), (320, 516136), (433, 381440), (512, 322585), (596, 277120), (640, 258068), (745, 221696), (866, 190720), (1192, 138560), (1280, 129034), (1490, 110848), (1732, 95360), (2165, 76288), (2384, 69280), (2560, 64517), (2980, 55424), (3464, 47680), (4330, 38144), (4768, 34640), (5960, 27712), (6928, 23840), (8660, 19072), (9536, 17320), (11920, 13856)]