86020020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2143}}^1$

素因数の和:2381

約数の個数: 72

約数和(自身を含む): 262219776

約数和(自身を除く): 176199756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 223, 446, 669, 892, 1115, 1338, 2007, 2143, 2230, 2676, 3345, 4014, 4286, 4460, 6429, 6690, 8028, 8572, 10035, 10715, 12858, 13380, 19287, 20070, 21430, 25716, 32145, 38574, 40140, 42860, 64290, 77148, 96435, 128580, 192870, 385740, 477889, 955778, 1433667, 1911556, 2389445, 2867334, 4301001, 4778890, 5734668, 7168335, 8602002, 9557780, 14336670, 17204004, 21505005, 28673340, 43010010, 86020020]

約数ペア:

[(1, 86020020), (2, 43010010), (3, 28673340), (4, 21505005), (5, 17204004), (6, 14336670), (9, 9557780), (10, 8602002), (12, 7168335), (15, 5734668), (18, 4778890), (20, 4301001), (30, 2867334), (36, 2389445), (45, 1911556), (60, 1433667), (90, 955778), (180, 477889), (223, 385740), (446, 192870), (669, 128580), (892, 96435), (1115, 77148), (1338, 64290), (2007, 42860), (2143, 40140), (2230, 38574), (2676, 32145), (3345, 25716), (4014, 21430), (4286, 20070), (4460, 19287), (6429, 13380), (6690, 12858), (8028, 10715), (8572, 10035)]