145360640

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:222

約数の個数: 144

約数和(自身を含む): 377731200

約数和(自身を除く): 232370560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 64, 76, 80, 86, 95, 128, 139, 152, 160, 172, 190, 215, 256, 278, 304, 320, 344, 380, 430, 556, 608, 640, 688, 695, 760, 817, 860, 1112, 1216, 1280, 1376, 1390, 1520, 1634, 1720, 2224, 2432, 2641, 2752, 2780, 3040, 3268, 3440, 4085, 4448, 4864, 5282, 5504, 5560, 5977, 6080, 6536, 6880, 8170, 8896, 10564, 11008, 11120, 11954, 12160, 13072, 13205, 13760, 16340, 17792, 21128, 22240, 23908, 24320, 26144, 26410, 27520, 29885, 32680, 35584, 42256, 44480, 47816, 52288, 52820, 55040, 59770, 65360, 84512, 88960, 95632, 104576, 105640, 113563, 119540, 130720, 169024, 177920, 191264, 209152, 211280, 227126, 239080, 261440, 338048, 382528, 422560, 454252, 478160, 522880, 567815, 676096, 765056, 845120, 908504, 956320, 1045760, 1135630, 1530112, 1690240, 1817008, 1912640, 2271260, 3380480, 3634016, 3825280, 4542520, 7268032, 7650560, 9085040, 14536064, 18170080, 29072128, 36340160, 72680320, 145360640]

約数ペア:

[(1, 145360640), (2, 72680320), (4, 36340160), (5, 29072128), (8, 18170080), (10, 14536064), (16, 9085040), (19, 7650560), (20, 7268032), (32, 4542520), (38, 3825280), (40, 3634016), (43, 3380480), (64, 2271260), (76, 1912640), (80, 1817008), (86, 1690240), (95, 1530112), (128, 1135630), (139, 1045760), (152, 956320), (160, 908504), (172, 845120), (190, 765056), (215, 676096), (256, 567815), (278, 522880), (304, 478160), (320, 454252), (344, 422560), (380, 382528), (430, 338048), (556, 261440), (608, 239080), (640, 227126), (688, 211280), (695, 209152), (760, 191264), (817, 177920), (860, 169024), (1112, 130720), (1216, 119540), (1280, 113563), (1376, 105640), (1390, 104576), (1520, 95632), (1634, 88960), (1720, 84512), (2224, 65360), (2432, 59770), (2641, 55040), (2752, 52820), (2780, 52288), (3040, 47816), (3268, 44480), (3440, 42256), (4085, 35584), (4448, 32680), (4864, 29885), (5282, 27520), (5504, 26410), (5560, 26144), (5977, 24320), (6080, 23908), (6536, 22240), (6880, 21128), (8170, 17792), (8896, 16340), (10564, 13760), (11008, 13205), (11120, 13072), (11954, 12160)]