30499280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{509}}^1$

素因数の和:636

約数の個数: 80

約数和(自身を含む): 81959040

約数和(自身を除く): 51459760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 107, 112, 140, 214, 280, 428, 509, 535, 560, 749, 856, 1018, 1070, 1498, 1712, 2036, 2140, 2545, 2996, 3563, 3745, 4072, 4280, 5090, 5992, 7126, 7490, 8144, 8560, 10180, 11984, 14252, 14980, 17815, 20360, 28504, 29960, 35630, 40720, 54463, 57008, 59920, 71260, 108926, 142520, 217852, 272315, 285040, 381241, 435704, 544630, 762482, 871408, 1089260, 1524964, 1906205, 2178520, 3049928, 3812410, 4357040, 6099856, 7624820, 15249640, 30499280]

約数ペア:

[(1, 30499280), (2, 15249640), (4, 7624820), (5, 6099856), (7, 4357040), (8, 3812410), (10, 3049928), (14, 2178520), (16, 1906205), (20, 1524964), (28, 1089260), (35, 871408), (40, 762482), (56, 544630), (70, 435704), (80, 381241), (107, 285040), (112, 272315), (140, 217852), (214, 142520), (280, 108926), (428, 71260), (509, 59920), (535, 57008), (560, 54463), (749, 40720), (856, 35630), (1018, 29960), (1070, 28504), (1498, 20360), (1712, 17815), (2036, 14980), (2140, 14252), (2545, 11984), (2996, 10180), (3563, 8560), (3745, 8144), (4072, 7490), (4280, 7126), (5090, 5992)]