16981920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{3931}}^1$

素因数の和:3955

約数の個数: 96

約数和(自身を含む): 59451840

約数和(自身を除く): 42469920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 3931, 4320, 7862, 11793, 15724, 19655, 23586, 31448, 35379, 39310, 47172, 58965, 62896, 70758, 78620, 94344, 106137, 117930, 125792, 141516, 157240, 176895, 188688, 212274, 235860, 283032, 314480, 353790, 377376, 424548, 471720, 530685, 566064, 628960, 707580, 849096, 943440, 1061370, 1132128, 1415160, 1698192, 1886880, 2122740, 2830320, 3396384, 4245480, 5660640, 8490960, 16981920]

約数ペア:

[(1, 16981920), (2, 8490960), (3, 5660640), (4, 4245480), (5, 3396384), (6, 2830320), (8, 2122740), (9, 1886880), (10, 1698192), (12, 1415160), (15, 1132128), (16, 1061370), (18, 943440), (20, 849096), (24, 707580), (27, 628960), (30, 566064), (32, 530685), (36, 471720), (40, 424548), (45, 377376), (48, 353790), (54, 314480), (60, 283032), (72, 235860), (80, 212274), (90, 188688), (96, 176895), (108, 157240), (120, 141516), (135, 125792), (144, 117930), (160, 106137), (180, 94344), (216, 78620), (240, 70758), (270, 62896), (288, 58965), (360, 47172), (432, 39310), (480, 35379), (540, 31448), (720, 23586), (864, 19655), (1080, 15724), (1440, 11793), (2160, 7862), (3931, 4320)]