399326640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1663861}}^1$

素因数の和:1663877

約数の個数: 40

約数和(自身を含む): 1237913328

約数和(自身を除く): 838586688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1663861, 3327722, 4991583, 6655444, 8319305, 9983166, 13310888, 16638610, 19966332, 24957915, 26621776, 33277220, 39932664, 49915830, 66554440, 79865328, 99831660, 133108880, 199663320, 399326640]

約数ペア:

[(1, 399326640), (2, 199663320), (3, 133108880), (4, 99831660), (5, 79865328), (6, 66554440), (8, 49915830), (10, 39932664), (12, 33277220), (15, 26621776), (16, 24957915), (20, 19966332), (24, 16638610), (30, 13310888), (40, 9983166), (48, 8319305), (60, 6655444), (80, 4991583), (120, 3327722), (240, 1663861)]