163980800

素因数分解:

$2^9\times 5^2\times {\mathrm{23}}^1\times {\mathrm{557}}^1$

素因数の和:608

約数の個数: 120

約数和(自身を含む): 424700496

約数和(自身を除く): 260719696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 128, 160, 184, 200, 230, 256, 320, 368, 400, 460, 512, 557, 575, 640, 736, 800, 920, 1114, 1150, 1280, 1472, 1600, 1840, 2228, 2300, 2560, 2785, 2944, 3200, 3680, 4456, 4600, 5570, 5888, 6400, 7360, 8912, 9200, 11140, 11776, 12800, 12811, 13925, 14720, 17824, 18400, 22280, 25622, 27850, 29440, 35648, 36800, 44560, 51244, 55700, 58880, 64055, 71296, 73600, 89120, 102488, 111400, 128110, 142592, 147200, 178240, 204976, 222800, 256220, 285184, 294400, 320275, 356480, 409952, 445600, 512440, 640550, 712960, 819904, 891200, 1024880, 1281100, 1425920, 1639808, 1782400, 2049760, 2562200, 3279616, 3564800, 4099520, 5124400, 6559232, 7129600, 8199040, 10248800, 16398080, 20497600, 32796160, 40995200, 81990400, 163980800]

約数ペア:

[(1, 163980800), (2, 81990400), (4, 40995200), (5, 32796160), (8, 20497600), (10, 16398080), (16, 10248800), (20, 8199040), (23, 7129600), (25, 6559232), (32, 5124400), (40, 4099520), (46, 3564800), (50, 3279616), (64, 2562200), (80, 2049760), (92, 1782400), (100, 1639808), (115, 1425920), (128, 1281100), (160, 1024880), (184, 891200), (200, 819904), (230, 712960), (256, 640550), (320, 512440), (368, 445600), (400, 409952), (460, 356480), (512, 320275), (557, 294400), (575, 285184), (640, 256220), (736, 222800), (800, 204976), (920, 178240), (1114, 147200), (1150, 142592), (1280, 128110), (1472, 111400), (1600, 102488), (1840, 89120), (2228, 73600), (2300, 71296), (2560, 64055), (2785, 58880), (2944, 55700), (3200, 51244), (3680, 44560), (4456, 36800), (4600, 35648), (5570, 29440), (5888, 27850), (6400, 25622), (7360, 22280), (8912, 18400), (9200, 17824), (11140, 14720), (11776, 13925), (12800, 12811)]