156912280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{811}}^1$

素因数の和:1520

約数の個数: 64

約数和(自身を含む): 404570880

約数和(自身を除く): 247658600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 691, 811, 1382, 1622, 2764, 3244, 3455, 4055, 4837, 5528, 5677, 6488, 6910, 8110, 9674, 11354, 13820, 16220, 19348, 22708, 24185, 27640, 28385, 32440, 38696, 45416, 48370, 56770, 96740, 113540, 193480, 227080, 560401, 1120802, 2241604, 2802005, 3922807, 4483208, 5604010, 7845614, 11208020, 15691228, 19614035, 22416040, 31382456, 39228070, 78456140, 156912280]

約数ペア:

[(1, 156912280), (2, 78456140), (4, 39228070), (5, 31382456), (7, 22416040), (8, 19614035), (10, 15691228), (14, 11208020), (20, 7845614), (28, 5604010), (35, 4483208), (40, 3922807), (56, 2802005), (70, 2241604), (140, 1120802), (280, 560401), (691, 227080), (811, 193480), (1382, 113540), (1622, 96740), (2764, 56770), (3244, 48370), (3455, 45416), (4055, 38696), (4837, 32440), (5528, 28385), (5677, 27640), (6488, 24185), (6910, 22708), (8110, 19348), (9674, 16220), (11354, 13820)]