81806544

素因数分解:

$2^4\times 3^3\times {\mathrm{409}}^1\times {\mathrm{463}}^1$

素因数の和:889

約数の個数: 80

約数和(自身を含む): 235897600

約数和(自身を除く): 154091056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 409, 432, 463, 818, 926, 1227, 1389, 1636, 1852, 2454, 2778, 3272, 3681, 3704, 4167, 4908, 5556, 6544, 7362, 7408, 8334, 9816, 11043, 11112, 12501, 14724, 16668, 19632, 22086, 22224, 25002, 29448, 33336, 44172, 50004, 58896, 66672, 88344, 100008, 176688, 189367, 200016, 378734, 568101, 757468, 1136202, 1514936, 1704303, 2272404, 3029872, 3408606, 4544808, 5112909, 6817212, 9089616, 10225818, 13634424, 20451636, 27268848, 40903272, 81806544]

約数ペア:

[(1, 81806544), (2, 40903272), (3, 27268848), (4, 20451636), (6, 13634424), (8, 10225818), (9, 9089616), (12, 6817212), (16, 5112909), (18, 4544808), (24, 3408606), (27, 3029872), (36, 2272404), (48, 1704303), (54, 1514936), (72, 1136202), (108, 757468), (144, 568101), (216, 378734), (409, 200016), (432, 189367), (463, 176688), (818, 100008), (926, 88344), (1227, 66672), (1389, 58896), (1636, 50004), (1852, 44172), (2454, 33336), (2778, 29448), (3272, 25002), (3681, 22224), (3704, 22086), (4167, 19632), (4908, 16668), (5556, 14724), (6544, 12501), (7362, 11112), (7408, 11043), (8334, 9816)]