76561920

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{3323}}^1$

素因数の和:3352

約数の個数: 120

約数和(自身を含む): 265235256

約数和(自身を除く): 188673336

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3323, 3840, 4608, 5760, 6646, 7680, 9969, 11520, 13292, 16615, 19938, 23040, 26584, 29907, 33230, 39876, 49845, 53168, 59814, 66460, 79752, 99690, 106336, 119628, 132920, 149535, 159504, 199380, 212672, 239256, 265840, 299070, 319008, 398760, 425344, 478512, 531680, 598140, 638016, 797520, 850688, 957024, 1063360, 1196280, 1276032, 1595040, 1701376, 1914048, 2126720, 2392560, 2552064, 3190080, 3828096, 4253440, 4785120, 5104128, 6380160, 7656192, 8506880, 9570240, 12760320, 15312384, 19140480, 25520640, 38280960, 76561920]

約数ペア:

[(1, 76561920), (2, 38280960), (3, 25520640), (4, 19140480), (5, 15312384), (6, 12760320), (8, 9570240), (9, 8506880), (10, 7656192), (12, 6380160), (15, 5104128), (16, 4785120), (18, 4253440), (20, 3828096), (24, 3190080), (30, 2552064), (32, 2392560), (36, 2126720), (40, 1914048), (45, 1701376), (48, 1595040), (60, 1276032), (64, 1196280), (72, 1063360), (80, 957024), (90, 850688), (96, 797520), (120, 638016), (128, 598140), (144, 531680), (160, 478512), (180, 425344), (192, 398760), (240, 319008), (256, 299070), (288, 265840), (320, 239256), (360, 212672), (384, 199380), (480, 159504), (512, 149535), (576, 132920), (640, 119628), (720, 106336), (768, 99690), (960, 79752), (1152, 66460), (1280, 59814), (1440, 53168), (1536, 49845), (1920, 39876), (2304, 33230), (2560, 29907), (2880, 26584), (3323, 23040), (3840, 19938), (4608, 16615), (5760, 13292), (6646, 11520), (7680, 9969)]