64263640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{811}}^1$

素因数の和:1112

約数の個数: 64

約数和(自身を含む): 166037760

約数和(自身を除く): 101774120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 283, 566, 811, 1132, 1415, 1622, 1981, 2264, 2830, 3244, 3962, 4055, 5660, 5677, 6488, 7924, 8110, 9905, 11320, 11354, 15848, 16220, 19810, 22708, 28385, 32440, 39620, 45416, 56770, 79240, 113540, 227080, 229513, 459026, 918052, 1147565, 1606591, 1836104, 2295130, 3213182, 4590260, 6426364, 8032955, 9180520, 12852728, 16065910, 32131820, 64263640]

約数ペア:

[(1, 64263640), (2, 32131820), (4, 16065910), (5, 12852728), (7, 9180520), (8, 8032955), (10, 6426364), (14, 4590260), (20, 3213182), (28, 2295130), (35, 1836104), (40, 1606591), (56, 1147565), (70, 918052), (140, 459026), (280, 229513), (283, 227080), (566, 113540), (811, 79240), (1132, 56770), (1415, 45416), (1622, 39620), (1981, 32440), (2264, 28385), (2830, 22708), (3244, 19810), (3962, 16220), (4055, 15848), (5660, 11354), (5677, 11320), (6488, 9905), (7924, 8110)]