161765120

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11489}}^1$

素因数の和:11521

約数の個数: 72

約数和(自身を含む): 422740080

約数和(自身を除く): 260974960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 7040, 11489, 14080, 22978, 45956, 57445, 91912, 114890, 126379, 183824, 229780, 252758, 367648, 459560, 505516, 631895, 735296, 919120, 1011032, 1263790, 1470592, 1838240, 2022064, 2527580, 2941184, 3676480, 4044128, 5055160, 7352960, 8088256, 10110320, 14705920, 16176512, 20220640, 32353024, 40441280, 80882560, 161765120]

約数ペア:

[(1, 161765120), (2, 80882560), (4, 40441280), (5, 32353024), (8, 20220640), (10, 16176512), (11, 14705920), (16, 10110320), (20, 8088256), (22, 7352960), (32, 5055160), (40, 4044128), (44, 3676480), (55, 2941184), (64, 2527580), (80, 2022064), (88, 1838240), (110, 1470592), (128, 1263790), (160, 1011032), (176, 919120), (220, 735296), (256, 631895), (320, 505516), (352, 459560), (440, 367648), (640, 252758), (704, 229780), (880, 183824), (1280, 126379), (1408, 114890), (1760, 91912), (2816, 57445), (3520, 45956), (7040, 22978), (11489, 14080)]