71116640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:269

約数の個数: 144

約数和(自身を含む): 200636352

約数和(自身を除く): 129519712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 49, 56, 70, 80, 94, 98, 112, 140, 160, 188, 193, 196, 224, 235, 245, 280, 329, 376, 386, 392, 470, 490, 560, 658, 752, 772, 784, 940, 965, 980, 1120, 1316, 1351, 1504, 1544, 1568, 1645, 1880, 1930, 1960, 2303, 2632, 2702, 3088, 3290, 3760, 3860, 3920, 4606, 5264, 5404, 6176, 6580, 6755, 7520, 7720, 7840, 9071, 9212, 9457, 10528, 10808, 11515, 13160, 13510, 15440, 18142, 18424, 18914, 21616, 23030, 26320, 27020, 30880, 36284, 36848, 37828, 43232, 45355, 46060, 47285, 52640, 54040, 63497, 72568, 73696, 75656, 90710, 92120, 94570, 108080, 126994, 145136, 151312, 181420, 184240, 189140, 216160, 253988, 290272, 302624, 317485, 362840, 368480, 378280, 444479, 507976, 634970, 725680, 756560, 888958, 1015952, 1269940, 1451360, 1513120, 1777916, 2031904, 2222395, 2539880, 3555832, 4444790, 5079760, 7111664, 8889580, 10159520, 14223328, 17779160, 35558320, 71116640]

約数ペア:

[(1, 71116640), (2, 35558320), (4, 17779160), (5, 14223328), (7, 10159520), (8, 8889580), (10, 7111664), (14, 5079760), (16, 4444790), (20, 3555832), (28, 2539880), (32, 2222395), (35, 2031904), (40, 1777916), (47, 1513120), (49, 1451360), (56, 1269940), (70, 1015952), (80, 888958), (94, 756560), (98, 725680), (112, 634970), (140, 507976), (160, 444479), (188, 378280), (193, 368480), (196, 362840), (224, 317485), (235, 302624), (245, 290272), (280, 253988), (329, 216160), (376, 189140), (386, 184240), (392, 181420), (470, 151312), (490, 145136), (560, 126994), (658, 108080), (752, 94570), (772, 92120), (784, 90710), (940, 75656), (965, 73696), (980, 72568), (1120, 63497), (1316, 54040), (1351, 52640), (1504, 47285), (1544, 46060), (1568, 45355), (1645, 43232), (1880, 37828), (1930, 36848), (1960, 36284), (2303, 30880), (2632, 27020), (2702, 26320), (3088, 23030), (3290, 21616), (3760, 18914), (3860, 18424), (3920, 18142), (4606, 15440), (5264, 13510), (5404, 13160), (6176, 11515), (6580, 10808), (6755, 10528), (7520, 9457), (7720, 9212), (7840, 9071)]