161569480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2879}}^1$

素因数の和:2974

約数の個数: 64

約数和(自身を含む): 385689600

約数和(自身を除く): 224120120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 230, 244, 305, 460, 488, 610, 920, 1220, 1403, 2440, 2806, 2879, 5612, 5758, 7015, 11224, 11516, 14030, 14395, 23032, 28060, 28790, 56120, 57580, 66217, 115160, 132434, 175619, 264868, 331085, 351238, 529736, 662170, 702476, 878095, 1324340, 1404952, 1756190, 2648680, 3512380, 4039237, 7024760, 8078474, 16156948, 20196185, 32313896, 40392370, 80784740, 161569480]

約数ペア:

[(1, 161569480), (2, 80784740), (4, 40392370), (5, 32313896), (8, 20196185), (10, 16156948), (20, 8078474), (23, 7024760), (40, 4039237), (46, 3512380), (61, 2648680), (92, 1756190), (115, 1404952), (122, 1324340), (184, 878095), (230, 702476), (244, 662170), (305, 529736), (460, 351238), (488, 331085), (610, 264868), (920, 175619), (1220, 132434), (1403, 115160), (2440, 66217), (2806, 57580), (2879, 56120), (5612, 28790), (5758, 28060), (7015, 23032), (11224, 14395), (11516, 14030)]