1246720

素因数分解:

$2^9\times 5^1\times {\mathrm{487}}^1$

素因数の和:510

約数の個数: 40

約数和(自身を含む): 2995344

約数和(自身を除く): 1748624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 487, 512, 640, 974, 1280, 1948, 2435, 2560, 3896, 4870, 7792, 9740, 15584, 19480, 31168, 38960, 62336, 77920, 124672, 155840, 249344, 311680, 623360, 1246720]

約数ペア:

[(1, 1246720), (2, 623360), (4, 311680), (5, 249344), (8, 155840), (10, 124672), (16, 77920), (20, 62336), (32, 38960), (40, 31168), (64, 19480), (80, 15584), (128, 9740), (160, 7792), (256, 4870), (320, 3896), (487, 2560), (512, 2435), (640, 1948), (974, 1280)]