81843200

素因数分解:

$2^{10}\times 5^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:192

約数の個数: 132

約数和(自身を含む): 213215520

約数和(自身を除く): 131372320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 128, 139, 160, 184, 200, 230, 256, 278, 320, 368, 400, 460, 512, 556, 575, 640, 695, 736, 800, 920, 1024, 1112, 1150, 1280, 1390, 1472, 1600, 1840, 2224, 2300, 2560, 2780, 2944, 3197, 3200, 3475, 3680, 4448, 4600, 5120, 5560, 5888, 6394, 6400, 6950, 7360, 8896, 9200, 11120, 11776, 12788, 12800, 13900, 14720, 15985, 17792, 18400, 22240, 23552, 25576, 25600, 27800, 29440, 31970, 35584, 36800, 44480, 51152, 55600, 58880, 63940, 71168, 73600, 79925, 88960, 102304, 111200, 117760, 127880, 142336, 147200, 159850, 177920, 204608, 222400, 255760, 294400, 319700, 355840, 409216, 444800, 511520, 588800, 639400, 711680, 818432, 889600, 1023040, 1278800, 1636864, 1779200, 2046080, 2557600, 3273728, 3558400, 4092160, 5115200, 8184320, 10230400, 16368640, 20460800, 40921600, 81843200]

約数ペア:

[(1, 81843200), (2, 40921600), (4, 20460800), (5, 16368640), (8, 10230400), (10, 8184320), (16, 5115200), (20, 4092160), (23, 3558400), (25, 3273728), (32, 2557600), (40, 2046080), (46, 1779200), (50, 1636864), (64, 1278800), (80, 1023040), (92, 889600), (100, 818432), (115, 711680), (128, 639400), (139, 588800), (160, 511520), (184, 444800), (200, 409216), (230, 355840), (256, 319700), (278, 294400), (320, 255760), (368, 222400), (400, 204608), (460, 177920), (512, 159850), (556, 147200), (575, 142336), (640, 127880), (695, 117760), (736, 111200), (800, 102304), (920, 88960), (1024, 79925), (1112, 73600), (1150, 71168), (1280, 63940), (1390, 58880), (1472, 55600), (1600, 51152), (1840, 44480), (2224, 36800), (2300, 35584), (2560, 31970), (2780, 29440), (2944, 27800), (3197, 25600), (3200, 25576), (3475, 23552), (3680, 22240), (4448, 18400), (4600, 17792), (5120, 15985), (5560, 14720), (5888, 13900), (6394, 12800), (6400, 12788), (6950, 11776), (7360, 11120), (8896, 9200)]