81756360

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{32443}}^1$

素因数の和:32467

約数の個数: 96

約数和(自身を含む): 303675840

約数和(自身を除く): 221919480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 32443, 64886, 97329, 129772, 162215, 194658, 227101, 259544, 291987, 324430, 389316, 454202, 486645, 583974, 648860, 681303, 778632, 908404, 973290, 1135505, 1167948, 1297720, 1362606, 1459935, 1816808, 1946580, 2043909, 2271010, 2335896, 2725212, 2919870, 3406515, 3893160, 4087818, 4542020, 5450424, 5839740, 6813030, 8175636, 9084040, 10219545, 11679480, 13626060, 16351272, 20439090, 27252120, 40878180, 81756360]

約数ペア:

[(1, 81756360), (2, 40878180), (3, 27252120), (4, 20439090), (5, 16351272), (6, 13626060), (7, 11679480), (8, 10219545), (9, 9084040), (10, 8175636), (12, 6813030), (14, 5839740), (15, 5450424), (18, 4542020), (20, 4087818), (21, 3893160), (24, 3406515), (28, 2919870), (30, 2725212), (35, 2335896), (36, 2271010), (40, 2043909), (42, 1946580), (45, 1816808), (56, 1459935), (60, 1362606), (63, 1297720), (70, 1167948), (72, 1135505), (84, 973290), (90, 908404), (105, 778632), (120, 681303), (126, 648860), (140, 583974), (168, 486645), (180, 454202), (210, 389316), (252, 324430), (280, 291987), (315, 259544), (360, 227101), (420, 194658), (504, 162215), (630, 129772), (840, 97329), (1260, 64886), (2520, 32443)]