169242880

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6959}}^1$

素因数の和:6999

約数の個数: 72

約数和(自身を含む): 426787200

約数和(自身を除く): 257544320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 4864, 6080, 6959, 12160, 13918, 24320, 27836, 34795, 55672, 69590, 111344, 132221, 139180, 222688, 264442, 278360, 445376, 528884, 556720, 661105, 890752, 1057768, 1113440, 1322210, 1781504, 2115536, 2226880, 2644420, 4231072, 4453760, 5288840, 8462144, 8907520, 10577680, 16924288, 21155360, 33848576, 42310720, 84621440, 169242880]

約数ペア:

[(1, 169242880), (2, 84621440), (4, 42310720), (5, 33848576), (8, 21155360), (10, 16924288), (16, 10577680), (19, 8907520), (20, 8462144), (32, 5288840), (38, 4453760), (40, 4231072), (64, 2644420), (76, 2226880), (80, 2115536), (95, 1781504), (128, 1322210), (152, 1113440), (160, 1057768), (190, 890752), (256, 661105), (304, 556720), (320, 528884), (380, 445376), (608, 278360), (640, 264442), (760, 222688), (1216, 139180), (1280, 132221), (1520, 111344), (2432, 69590), (3040, 55672), (4864, 34795), (6080, 27836), (6959, 24320), (12160, 13918)]