72895620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{173561}}^1$

素因数の和:173580

約数の個数: 48

約数和(自身を含む): 233267328

約数和(自身を除く): 160371708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 173561, 347122, 520683, 694244, 867805, 1041366, 1214927, 1735610, 2082732, 2429854, 2603415, 3471220, 3644781, 4859708, 5206830, 6074635, 7289562, 10413660, 12149270, 14579124, 18223905, 24298540, 36447810, 72895620]

約数ペア:

[(1, 72895620), (2, 36447810), (3, 24298540), (4, 18223905), (5, 14579124), (6, 12149270), (7, 10413660), (10, 7289562), (12, 6074635), (14, 5206830), (15, 4859708), (20, 3644781), (21, 3471220), (28, 2603415), (30, 2429854), (35, 2082732), (42, 1735610), (60, 1214927), (70, 1041366), (84, 867805), (105, 694244), (140, 520683), (210, 347122), (420, 173561)]