78170240

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1823}}^1$

素因数の和:1909

約数の個数: 64

約数和(自身を含む): 189768960

約数和(自身を除く): 111598720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 536, 640, 670, 1072, 1340, 1823, 2144, 2680, 3646, 4288, 5360, 7292, 8576, 9115, 10720, 14584, 18230, 21440, 29168, 36460, 42880, 58336, 72920, 116672, 122141, 145840, 233344, 244282, 291680, 488564, 583360, 610705, 977128, 1166720, 1221410, 1954256, 2442820, 3908512, 4885640, 7817024, 9771280, 15634048, 19542560, 39085120, 78170240]

約数ペア:

[(1, 78170240), (2, 39085120), (4, 19542560), (5, 15634048), (8, 9771280), (10, 7817024), (16, 4885640), (20, 3908512), (32, 2442820), (40, 1954256), (64, 1221410), (67, 1166720), (80, 977128), (128, 610705), (134, 583360), (160, 488564), (268, 291680), (320, 244282), (335, 233344), (536, 145840), (640, 122141), (670, 116672), (1072, 72920), (1340, 58336), (1823, 42880), (2144, 36460), (2680, 29168), (3646, 21440), (4288, 18230), (5360, 14584), (7292, 10720), (8576, 9115)]