66657640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:575

約数の個数: 96

約数和(自身を含む): 177292800

約数和(自身を除く): 110635160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 71, 98, 140, 142, 196, 245, 280, 284, 355, 392, 479, 490, 497, 568, 710, 958, 980, 994, 1420, 1916, 1960, 1988, 2395, 2485, 2840, 3353, 3479, 3832, 3976, 4790, 4970, 6706, 6958, 9580, 9940, 13412, 13916, 16765, 17395, 19160, 19880, 23471, 26824, 27832, 33530, 34009, 34790, 46942, 67060, 68018, 69580, 93884, 117355, 134120, 136036, 139160, 170045, 187768, 234710, 238063, 272072, 340090, 469420, 476126, 680180, 938840, 952252, 1190315, 1360360, 1666441, 1904504, 2380630, 3332882, 4761260, 6665764, 8332205, 9522520, 13331528, 16664410, 33328820, 66657640]

約数ペア:

[(1, 66657640), (2, 33328820), (4, 16664410), (5, 13331528), (7, 9522520), (8, 8332205), (10, 6665764), (14, 4761260), (20, 3332882), (28, 2380630), (35, 1904504), (40, 1666441), (49, 1360360), (56, 1190315), (70, 952252), (71, 938840), (98, 680180), (140, 476126), (142, 469420), (196, 340090), (245, 272072), (280, 238063), (284, 234710), (355, 187768), (392, 170045), (479, 139160), (490, 136036), (497, 134120), (568, 117355), (710, 93884), (958, 69580), (980, 68018), (994, 67060), (1420, 46942), (1916, 34790), (1960, 34009), (1988, 33530), (2395, 27832), (2485, 26824), (2840, 23471), (3353, 19880), (3479, 19160), (3832, 17395), (3976, 16765), (4790, 13916), (4970, 13412), (6706, 9940), (6958, 9580)]