138467840

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{7727}}^1$

素因数の和:7757

約数の個数: 80

約数和(自身を含む): 379475712

約数和(自身を除く): 241007872

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, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 7727, 8960, 15454, 17920, 30908, 38635, 54089, 61816, 77270, 108178, 123632, 154540, 216356, 247264, 270445, 309080, 432712, 494528, 540890, 618160, 865424, 989056, 1081780, 1236320, 1730848, 1978112, 2163560, 2472640, 3461696, 3956224, 4327120, 4945280, 6923392, 8654240, 9890560, 13846784, 17308480, 19781120, 27693568, 34616960, 69233920, 138467840]

約数ペア:

[(1, 138467840), (2, 69233920), (4, 34616960), (5, 27693568), (7, 19781120), (8, 17308480), (10, 13846784), (14, 9890560), (16, 8654240), (20, 6923392), (28, 4945280), (32, 4327120), (35, 3956224), (40, 3461696), (56, 2472640), (64, 2163560), (70, 1978112), (80, 1730848), (112, 1236320), (128, 1081780), (140, 989056), (160, 865424), (224, 618160), (256, 540890), (280, 494528), (320, 432712), (448, 309080), (512, 270445), (560, 247264), (640, 216356), (896, 154540), (1120, 123632), (1280, 108178), (1792, 77270), (2240, 61816), (2560, 54089), (3584, 38635), (4480, 30908), (7727, 17920), (8960, 15454)]