138406720

素因数分解:

$2^6\times 5^1\times {\mathrm{523}}^1\times {\mathrm{827}}^1$

素因数の和:1367

約数の個数: 56

約数和(自身を含む): 330610464

約数和(自身を除く): 192203744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 523, 827, 1046, 1654, 2092, 2615, 3308, 4135, 4184, 5230, 6616, 8270, 8368, 10460, 13232, 16540, 16736, 20920, 26464, 33080, 33472, 41840, 52928, 66160, 83680, 132320, 167360, 264640, 432521, 865042, 1730084, 2162605, 3460168, 4325210, 6920336, 8650420, 13840672, 17300840, 27681344, 34601680, 69203360, 138406720]

約数ペア:

[(1, 138406720), (2, 69203360), (4, 34601680), (5, 27681344), (8, 17300840), (10, 13840672), (16, 8650420), (20, 6920336), (32, 4325210), (40, 3460168), (64, 2162605), (80, 1730084), (160, 865042), (320, 432521), (523, 264640), (827, 167360), (1046, 132320), (1654, 83680), (2092, 66160), (2615, 52928), (3308, 41840), (4135, 33472), (4184, 33080), (5230, 26464), (6616, 20920), (8270, 16736), (8368, 16540), (10460, 13232)]