72327920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{18451}}^1$

素因数の和:18478

約数の個数: 60

約数和(自身を含む): 195628104

約数和(自身を除く): 123300184

約数列:

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

約数ペア:

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