1267840

素因数分解:

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

素因数の和:309

約数の個数: 64

約数和(自身を含む): 3476160

約数和(自身を除く): 2208320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 283, 320, 448, 560, 566, 640, 896, 1120, 1132, 1415, 1981, 2240, 2264, 2830, 3962, 4480, 4528, 5660, 7924, 9056, 9905, 11320, 15848, 18112, 19810, 22640, 31696, 36224, 39620, 45280, 63392, 79240, 90560, 126784, 158480, 181120, 253568, 316960, 633920, 1267840]

約数ペア:

[(1, 1267840), (2, 633920), (4, 316960), (5, 253568), (7, 181120), (8, 158480), (10, 126784), (14, 90560), (16, 79240), (20, 63392), (28, 45280), (32, 39620), (35, 36224), (40, 31696), (56, 22640), (64, 19810), (70, 18112), (80, 15848), (112, 11320), (128, 9905), (140, 9056), (160, 7924), (224, 5660), (280, 4528), (283, 4480), (320, 3962), (448, 2830), (560, 2264), (566, 2240), (640, 1981), (896, 1415), (1120, 1132)]