8205540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{2791}}^1$

素因数の和:2817

約数の個数: 72

約数和(自身を含む): 26736192

約数和(自身を除く): 18530652

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2791, 2940, 5582, 8373, 11164, 13955, 16746, 19537, 27910, 33492, 39074, 41865, 55820, 58611, 78148, 83730, 97685, 117222, 136759, 167460, 195370, 234444, 273518, 293055, 390740, 410277, 547036, 586110, 683795, 820554, 1172220, 1367590, 1641108, 2051385, 2735180, 4102770, 8205540]

約数ペア:

[(1, 8205540), (2, 4102770), (3, 2735180), (4, 2051385), (5, 1641108), (6, 1367590), (7, 1172220), (10, 820554), (12, 683795), (14, 586110), (15, 547036), (20, 410277), (21, 390740), (28, 293055), (30, 273518), (35, 234444), (42, 195370), (49, 167460), (60, 136759), (70, 117222), (84, 97685), (98, 83730), (105, 78148), (140, 58611), (147, 55820), (196, 41865), (210, 39074), (245, 33492), (294, 27910), (420, 19537), (490, 16746), (588, 13955), (735, 11164), (980, 8373), (1470, 5582), (2791, 2940)]