40878180

素因数分解:

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

素因数の和:32465

約数の個数: 72

約数和(自身を含む): 141715392

約数和(自身を除く): 100837212

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 32443, 64886, 97329, 129772, 162215, 194658, 227101, 291987, 324430, 389316, 454202, 486645, 583974, 648860, 681303, 908404, 973290, 1135505, 1167948, 1362606, 1459935, 1946580, 2043909, 2271010, 2725212, 2919870, 3406515, 4087818, 4542020, 5839740, 6813030, 8175636, 10219545, 13626060, 20439090, 40878180]

約数ペア:

[(1, 40878180), (2, 20439090), (3, 13626060), (4, 10219545), (5, 8175636), (6, 6813030), (7, 5839740), (9, 4542020), (10, 4087818), (12, 3406515), (14, 2919870), (15, 2725212), (18, 2271010), (20, 2043909), (21, 1946580), (28, 1459935), (30, 1362606), (35, 1167948), (36, 1135505), (42, 973290), (45, 908404), (60, 681303), (63, 648860), (70, 583974), (84, 486645), (90, 454202), (105, 389316), (126, 324430), (140, 291987), (180, 227101), (210, 194658), (252, 162215), (315, 129772), (420, 97329), (630, 64886), (1260, 32443)]