538662120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{6791}}^1$

素因数の和:7466

約数の個数: 64

約数和(自身を含む): 1618669440

約数和(自身を除く): 1080007320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 661, 1322, 1983, 2644, 3305, 3966, 5288, 6610, 6791, 7932, 9915, 13220, 13582, 15864, 19830, 20373, 26440, 27164, 33955, 39660, 40746, 54328, 67910, 79320, 81492, 101865, 135820, 162984, 203730, 271640, 407460, 814920, 4488851, 8977702, 13466553, 17955404, 22444255, 26933106, 35910808, 44888510, 53866212, 67332765, 89777020, 107732424, 134665530, 179554040, 269331060, 538662120]

約数ペア:

[(1, 538662120), (2, 269331060), (3, 179554040), (4, 134665530), (5, 107732424), (6, 89777020), (8, 67332765), (10, 53866212), (12, 44888510), (15, 35910808), (20, 26933106), (24, 22444255), (30, 17955404), (40, 13466553), (60, 8977702), (120, 4488851), (661, 814920), (1322, 407460), (1983, 271640), (2644, 203730), (3305, 162984), (3966, 135820), (5288, 101865), (6610, 81492), (6791, 79320), (7932, 67910), (9915, 54328), (13220, 40746), (13582, 39660), (15864, 33955), (19830, 27164), (20373, 26440)]