79863280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8389}}^1$

素因数の和:8426

約数の個数: 80

約数和(自身を含む): 224717760

約数和(自身を除く): 144854480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 8389, 9520, 16778, 33556, 41945, 58723, 67112, 83890, 117446, 134224, 142613, 167780, 234892, 285226, 293615, 335560, 469784, 570452, 587230, 671120, 713065, 939568, 998291, 1140904, 1174460, 1426130, 1996582, 2281808, 2348920, 2852260, 3993164, 4697840, 4991455, 5704520, 7986328, 9982910, 11409040, 15972656, 19965820, 39931640, 79863280]

約数ペア:

[(1, 79863280), (2, 39931640), (4, 19965820), (5, 15972656), (7, 11409040), (8, 9982910), (10, 7986328), (14, 5704520), (16, 4991455), (17, 4697840), (20, 3993164), (28, 2852260), (34, 2348920), (35, 2281808), (40, 1996582), (56, 1426130), (68, 1174460), (70, 1140904), (80, 998291), (85, 939568), (112, 713065), (119, 671120), (136, 587230), (140, 570452), (170, 469784), (238, 335560), (272, 293615), (280, 285226), (340, 234892), (476, 167780), (560, 142613), (595, 134224), (680, 117446), (952, 83890), (1190, 67112), (1360, 58723), (1904, 41945), (2380, 33556), (4760, 16778), (8389, 9520)]