149645720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{811}}^1$

素因数の和:1488

約数の個数: 64

約数和(自身を含む): 385862400

約数和(自身を除く): 236216680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 659, 811, 1318, 1622, 2636, 3244, 3295, 4055, 4613, 5272, 5677, 6488, 6590, 8110, 9226, 11354, 13180, 16220, 18452, 22708, 23065, 26360, 28385, 32440, 36904, 45416, 46130, 56770, 92260, 113540, 184520, 227080, 534449, 1068898, 2137796, 2672245, 3741143, 4275592, 5344490, 7482286, 10688980, 14964572, 18705715, 21377960, 29929144, 37411430, 74822860, 149645720]

約数ペア:

[(1, 149645720), (2, 74822860), (4, 37411430), (5, 29929144), (7, 21377960), (8, 18705715), (10, 14964572), (14, 10688980), (20, 7482286), (28, 5344490), (35, 4275592), (40, 3741143), (56, 2672245), (70, 2137796), (140, 1068898), (280, 534449), (659, 227080), (811, 184520), (1318, 113540), (1622, 92260), (2636, 56770), (3244, 46130), (3295, 45416), (4055, 36904), (4613, 32440), (5272, 28385), (5677, 26360), (6488, 23065), (6590, 22708), (8110, 18452), (9226, 16220), (11354, 13180)]