321991920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{447211}}^1$

素因数の和:447230

約数の個数: 60

約数和(自身を含む): 1081358616

約数和(自身を除く): 759366696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 447211, 894422, 1341633, 1788844, 2236055, 2683266, 3577688, 4024899, 4472110, 5366532, 6708165, 7155376, 8049798, 8944220, 10733064, 13416330, 16099596, 17888440, 20124495, 21466128, 26832660, 32199192, 35776880, 40248990, 53665320, 64398384, 80497980, 107330640, 160995960, 321991920]

約数ペア:

[(1, 321991920), (2, 160995960), (3, 107330640), (4, 80497980), (5, 64398384), (6, 53665320), (8, 40248990), (9, 35776880), (10, 32199192), (12, 26832660), (15, 21466128), (16, 20124495), (18, 17888440), (20, 16099596), (24, 13416330), (30, 10733064), (36, 8944220), (40, 8049798), (45, 7155376), (48, 6708165), (60, 5366532), (72, 4472110), (80, 4024899), (90, 3577688), (120, 2683266), (144, 2236055), (180, 1788844), (240, 1341633), (360, 894422), (720, 447211)]