724480

素因数分解:

$2^9\times 5^1\times {\mathrm{283}}^1$

素因数の和:306

約数の個数: 40

約数和(自身を含む): 1743192

約数和(自身を除く): 1018712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 283, 320, 512, 566, 640, 1132, 1280, 1415, 2264, 2560, 2830, 4528, 5660, 9056, 11320, 18112, 22640, 36224, 45280, 72448, 90560, 144896, 181120, 362240, 724480]

約数ペア:

[(1, 724480), (2, 362240), (4, 181120), (5, 144896), (8, 90560), (10, 72448), (16, 45280), (20, 36224), (32, 22640), (40, 18112), (64, 11320), (80, 9056), (128, 5660), (160, 4528), (256, 2830), (283, 2560), (320, 2264), (512, 1415), (566, 1280), (640, 1132)]