86720028

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{719}}^1$

素因数の和:791

約数の個数: 72

約数和(自身を含む): 222969600

約数和(自身を除く): 136249572

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 138, 228, 276, 437, 529, 719, 874, 1058, 1311, 1438, 1587, 1748, 2116, 2157, 2622, 2876, 3174, 4314, 5244, 6348, 8628, 10051, 13661, 16537, 20102, 27322, 30153, 33074, 40204, 40983, 49611, 54644, 60306, 66148, 81966, 99222, 120612, 163932, 198444, 314203, 380351, 628406, 760702, 942609, 1141053, 1256812, 1521404, 1885218, 2282106, 3770436, 4564212, 7226669, 14453338, 21680007, 28906676, 43360014, 86720028]

約数ペア:

[(1, 86720028), (2, 43360014), (3, 28906676), (4, 21680007), (6, 14453338), (12, 7226669), (19, 4564212), (23, 3770436), (38, 2282106), (46, 1885218), (57, 1521404), (69, 1256812), (76, 1141053), (92, 942609), (114, 760702), (138, 628406), (228, 380351), (276, 314203), (437, 198444), (529, 163932), (719, 120612), (874, 99222), (1058, 81966), (1311, 66148), (1438, 60306), (1587, 54644), (1748, 49611), (2116, 40983), (2157, 40204), (2622, 33074), (2876, 30153), (3174, 27322), (4314, 20102), (5244, 16537), (6348, 13661), (8628, 10051)]