72480016

素因数分解:

$2^4\times 7^3\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:357

約数の個数: 80

約数和(自身を含む): 167846400

約数和(自身を除く): 95366384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 49, 56, 94, 98, 112, 188, 196, 281, 329, 343, 376, 392, 562, 658, 686, 752, 784, 1124, 1316, 1372, 1967, 2248, 2303, 2632, 2744, 3934, 4496, 4606, 5264, 5488, 7868, 9212, 13207, 13769, 15736, 16121, 18424, 26414, 27538, 31472, 32242, 36848, 52828, 55076, 64484, 92449, 96383, 105656, 110152, 128968, 184898, 192766, 211312, 220304, 257936, 369796, 385532, 647143, 739592, 771064, 1294286, 1479184, 1542128, 2588572, 4530001, 5177144, 9060002, 10354288, 18120004, 36240008, 72480016]

約数ペア:

[(1, 72480016), (2, 36240008), (4, 18120004), (7, 10354288), (8, 9060002), (14, 5177144), (16, 4530001), (28, 2588572), (47, 1542128), (49, 1479184), (56, 1294286), (94, 771064), (98, 739592), (112, 647143), (188, 385532), (196, 369796), (281, 257936), (329, 220304), (343, 211312), (376, 192766), (392, 184898), (562, 128968), (658, 110152), (686, 105656), (752, 96383), (784, 92449), (1124, 64484), (1316, 55076), (1372, 52828), (1967, 36848), (2248, 32242), (2303, 31472), (2632, 27538), (2744, 26414), (3934, 18424), (4496, 16121), (4606, 15736), (5264, 13769), (5488, 13207), (7868, 9212)]