31235120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{193}}^1$

素因数の和:247

約数の個数: 120

約数和(自身を含む): 88622304

約数和(自身を除く): 57387184

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, 193, 238, 272, 280, 289, 340, 386, 476, 560, 578, 595, 680, 772, 952, 965, 1156, 1190, 1351, 1360, 1445, 1544, 1904, 1930, 2023, 2312, 2380, 2702, 2890, 3088, 3281, 3860, 4046, 4624, 4760, 5404, 5780, 6562, 6755, 7720, 8092, 9520, 10115, 10808, 11560, 13124, 13510, 15440, 16184, 16405, 20230, 21616, 22967, 23120, 26248, 27020, 32368, 32810, 40460, 45934, 52496, 54040, 55777, 65620, 80920, 91868, 108080, 111554, 114835, 131240, 161840, 183736, 223108, 229670, 262480, 278885, 367472, 390439, 446216, 459340, 557770, 780878, 892432, 918680, 1115540, 1561756, 1837360, 1952195, 2231080, 3123512, 3904390, 4462160, 6247024, 7808780, 15617560, 31235120]

約数ペア:

[(1, 31235120), (2, 15617560), (4, 7808780), (5, 6247024), (7, 4462160), (8, 3904390), (10, 3123512), (14, 2231080), (16, 1952195), (17, 1837360), (20, 1561756), (28, 1115540), (34, 918680), (35, 892432), (40, 780878), (56, 557770), (68, 459340), (70, 446216), (80, 390439), (85, 367472), (112, 278885), (119, 262480), (136, 229670), (140, 223108), (170, 183736), (193, 161840), (238, 131240), (272, 114835), (280, 111554), (289, 108080), (340, 91868), (386, 80920), (476, 65620), (560, 55777), (578, 54040), (595, 52496), (680, 45934), (772, 40460), (952, 32810), (965, 32368), (1156, 27020), (1190, 26248), (1351, 23120), (1360, 22967), (1445, 21616), (1544, 20230), (1904, 16405), (1930, 16184), (2023, 15440), (2312, 13510), (2380, 13124), (2702, 11560), (2890, 10808), (3088, 10115), (3281, 9520), (3860, 8092), (4046, 7720), (4624, 6755), (4760, 6562), (5404, 5780)]