164673280

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1013}}^1$

素因数の和:1161

約数の個数: 72

約数和(自身を含む): 397942272

約数和(自身を除く): 233268992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 1013, 1016, 1270, 1280, 2026, 2032, 2540, 4052, 4064, 5065, 5080, 8104, 8128, 10130, 10160, 16208, 16256, 20260, 20320, 32416, 32512, 40520, 40640, 64832, 81040, 81280, 128651, 129664, 162080, 162560, 257302, 259328, 324160, 514604, 643255, 648320, 1029208, 1286510, 1296640, 2058416, 2573020, 4116832, 5146040, 8233664, 10292080, 16467328, 20584160, 32934656, 41168320, 82336640, 164673280]

約数ペア:

[(1, 164673280), (2, 82336640), (4, 41168320), (5, 32934656), (8, 20584160), (10, 16467328), (16, 10292080), (20, 8233664), (32, 5146040), (40, 4116832), (64, 2573020), (80, 2058416), (127, 1296640), (128, 1286510), (160, 1029208), (254, 648320), (256, 643255), (320, 514604), (508, 324160), (635, 259328), (640, 257302), (1013, 162560), (1016, 162080), (1270, 129664), (1280, 128651), (2026, 81280), (2032, 81040), (2540, 64832), (4052, 40640), (4064, 40520), (5065, 32512), (5080, 32416), (8104, 20320), (8128, 20260), (10130, 16256), (10160, 16208)]