81528216

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:465

約数の個数: 128

約数和(自身を含む): 256642560

約数和(自身を除く): 175114344

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 157, 168, 231, 264, 281, 308, 314, 462, 471, 562, 616, 628, 843, 924, 942, 1099, 1124, 1256, 1686, 1727, 1848, 1884, 1967, 2198, 2248, 3091, 3297, 3372, 3454, 3768, 3934, 4396, 5181, 5901, 6182, 6594, 6744, 6908, 7868, 8792, 9273, 10362, 11802, 12089, 12364, 13188, 13816, 15736, 18546, 20724, 21637, 23604, 24178, 24728, 26376, 36267, 37092, 41448, 43274, 44117, 47208, 48356, 64911, 72534, 74184, 86548, 88234, 96712, 129822, 132351, 145068, 173096, 176468, 259644, 264702, 290136, 308819, 352936, 485287, 519288, 529404, 617638, 926457, 970574, 1058808, 1235276, 1455861, 1852914, 1941148, 2470552, 2911722, 3397009, 3705828, 3882296, 5823444, 6794018, 7411656, 10191027, 11646888, 13588036, 20382054, 27176072, 40764108, 81528216]

約数ペア:

[(1, 81528216), (2, 40764108), (3, 27176072), (4, 20382054), (6, 13588036), (7, 11646888), (8, 10191027), (11, 7411656), (12, 6794018), (14, 5823444), (21, 3882296), (22, 3705828), (24, 3397009), (28, 2911722), (33, 2470552), (42, 1941148), (44, 1852914), (56, 1455861), (66, 1235276), (77, 1058808), (84, 970574), (88, 926457), (132, 617638), (154, 529404), (157, 519288), (168, 485287), (231, 352936), (264, 308819), (281, 290136), (308, 264702), (314, 259644), (462, 176468), (471, 173096), (562, 145068), (616, 132351), (628, 129822), (843, 96712), (924, 88234), (942, 86548), (1099, 74184), (1124, 72534), (1256, 64911), (1686, 48356), (1727, 47208), (1848, 44117), (1884, 43274), (1967, 41448), (2198, 37092), (2248, 36267), (3091, 26376), (3297, 24728), (3372, 24178), (3454, 23604), (3768, 21637), (3934, 20724), (4396, 18546), (5181, 15736), (5901, 13816), (6182, 13188), (6594, 12364), (6744, 12089), (6908, 11802), (7868, 10362), (8792, 9273)]