678688000

素因数分解:

$2^8\times 5^3\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:325

約数の個数: 144

約数和(自身を含む): 1714212864

約数和(自身を除く): 1035524864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 127, 128, 160, 167, 200, 250, 254, 256, 320, 334, 400, 500, 508, 635, 640, 668, 800, 835, 1000, 1016, 1270, 1280, 1336, 1600, 1670, 2000, 2032, 2540, 2672, 3175, 3200, 3340, 4000, 4064, 4175, 5080, 5344, 6350, 6400, 6680, 8000, 8128, 8350, 10160, 10688, 12700, 13360, 15875, 16000, 16256, 16700, 20320, 20875, 21209, 21376, 25400, 26720, 31750, 32000, 32512, 33400, 40640, 41750, 42418, 42752, 50800, 53440, 63500, 66800, 81280, 83500, 84836, 101600, 106045, 106880, 127000, 133600, 162560, 167000, 169672, 203200, 212090, 213760, 254000, 267200, 334000, 339344, 406400, 424180, 508000, 530225, 534400, 668000, 678688, 812800, 848360, 1016000, 1060450, 1068800, 1336000, 1357376, 1696720, 2032000, 2120900, 2651125, 2672000, 2714752, 3393440, 4064000, 4241800, 5302250, 5344000, 5429504, 6786880, 8483600, 10604500, 13573760, 16967200, 21209000, 27147520, 33934400, 42418000, 67868800, 84836000, 135737600, 169672000, 339344000, 678688000]

約数ペア:

[(1, 678688000), (2, 339344000), (4, 169672000), (5, 135737600), (8, 84836000), (10, 67868800), (16, 42418000), (20, 33934400), (25, 27147520), (32, 21209000), (40, 16967200), (50, 13573760), (64, 10604500), (80, 8483600), (100, 6786880), (125, 5429504), (127, 5344000), (128, 5302250), (160, 4241800), (167, 4064000), (200, 3393440), (250, 2714752), (254, 2672000), (256, 2651125), (320, 2120900), (334, 2032000), (400, 1696720), (500, 1357376), (508, 1336000), (635, 1068800), (640, 1060450), (668, 1016000), (800, 848360), (835, 812800), (1000, 678688), (1016, 668000), (1270, 534400), (1280, 530225), (1336, 508000), (1600, 424180), (1670, 406400), (2000, 339344), (2032, 334000), (2540, 267200), (2672, 254000), (3175, 213760), (3200, 212090), (3340, 203200), (4000, 169672), (4064, 167000), (4175, 162560), (5080, 133600), (5344, 127000), (6350, 106880), (6400, 106045), (6680, 101600), (8000, 84836), (8128, 83500), (8350, 81280), (10160, 66800), (10688, 63500), (12700, 53440), (13360, 50800), (15875, 42752), (16000, 42418), (16256, 41750), (16700, 40640), (20320, 33400), (20875, 32512), (21209, 32000), (21376, 31750), (25400, 26720)]