61881540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{587}}^1$

素因数の和:857

約数の個数: 96

約数和(自身を含む): 199148544

約数和(自身を除く): 137267004

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, 251, 420, 502, 587, 753, 1004, 1174, 1255, 1506, 1757, 1761, 2348, 2510, 2935, 3012, 3514, 3522, 3765, 4109, 5020, 5271, 5870, 7028, 7044, 7530, 8218, 8785, 8805, 10542, 11740, 12327, 15060, 16436, 17570, 17610, 20545, 21084, 24654, 26355, 35140, 35220, 41090, 49308, 52710, 61635, 82180, 105420, 123270, 147337, 246540, 294674, 442011, 589348, 736685, 884022, 1031359, 1473370, 1768044, 2062718, 2210055, 2946740, 3094077, 4125436, 4420110, 5156795, 6188154, 8840220, 10313590, 12376308, 15470385, 20627180, 30940770, 61881540]

約数ペア:

[(1, 61881540), (2, 30940770), (3, 20627180), (4, 15470385), (5, 12376308), (6, 10313590), (7, 8840220), (10, 6188154), (12, 5156795), (14, 4420110), (15, 4125436), (20, 3094077), (21, 2946740), (28, 2210055), (30, 2062718), (35, 1768044), (42, 1473370), (60, 1031359), (70, 884022), (84, 736685), (105, 589348), (140, 442011), (210, 294674), (251, 246540), (420, 147337), (502, 123270), (587, 105420), (753, 82180), (1004, 61635), (1174, 52710), (1255, 49308), (1506, 41090), (1757, 35220), (1761, 35140), (2348, 26355), (2510, 24654), (2935, 21084), (3012, 20545), (3514, 17610), (3522, 17570), (3765, 16436), (4109, 15060), (5020, 12327), (5271, 11740), (5870, 10542), (7028, 8805), (7044, 8785), (7530, 8218)]