17912720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1103}}^1$

素因数の和:1152

約数の個数: 80

約数和(自身を含む): 49282560

約数和(自身を除く): 31369840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1103, 1160, 1624, 2030, 2206, 2320, 3248, 4060, 4412, 5515, 7721, 8120, 8824, 11030, 15442, 16240, 17648, 22060, 30884, 31987, 38605, 44120, 61768, 63974, 77210, 88240, 123536, 127948, 154420, 159935, 223909, 255896, 308840, 319870, 447818, 511792, 617680, 639740, 895636, 1119545, 1279480, 1791272, 2239090, 2558960, 3582544, 4478180, 8956360, 17912720]

約数ペア:

[(1, 17912720), (2, 8956360), (4, 4478180), (5, 3582544), (7, 2558960), (8, 2239090), (10, 1791272), (14, 1279480), (16, 1119545), (20, 895636), (28, 639740), (29, 617680), (35, 511792), (40, 447818), (56, 319870), (58, 308840), (70, 255896), (80, 223909), (112, 159935), (116, 154420), (140, 127948), (145, 123536), (203, 88240), (232, 77210), (280, 63974), (290, 61768), (406, 44120), (464, 38605), (560, 31987), (580, 30884), (812, 22060), (1015, 17648), (1103, 16240), (1160, 15442), (1624, 11030), (2030, 8824), (2206, 8120), (2320, 7721), (3248, 5515), (4060, 4412)]