144655840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{18451}}^1$

素因数の和:18480

約数の個数: 72

約数和(自身を含む): 397566792

約数和(自身を除く): 252910952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 18451, 36902, 73804, 92255, 129157, 147608, 184510, 258314, 295216, 369020, 516628, 590432, 645785, 738040, 904099, 1033256, 1291570, 1476080, 1808198, 2066512, 2583140, 2952160, 3616396, 4133024, 4520495, 5166280, 7232792, 9040990, 10332560, 14465584, 18081980, 20665120, 28931168, 36163960, 72327920, 144655840]

約数ペア:

[(1, 144655840), (2, 72327920), (4, 36163960), (5, 28931168), (7, 20665120), (8, 18081980), (10, 14465584), (14, 10332560), (16, 9040990), (20, 7232792), (28, 5166280), (32, 4520495), (35, 4133024), (40, 3616396), (49, 2952160), (56, 2583140), (70, 2066512), (80, 1808198), (98, 1476080), (112, 1291570), (140, 1033256), (160, 904099), (196, 738040), (224, 645785), (245, 590432), (280, 516628), (392, 369020), (490, 295216), (560, 258314), (784, 184510), (980, 147608), (1120, 129157), (1568, 92255), (1960, 73804), (3920, 36902), (7840, 18451)]