42161560

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{439}}^1$

素因数の和:478

約数の個数: 80

約数和(自身を含む): 110919600

約数和(自身を除く): 68758040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 439, 490, 686, 878, 980, 1372, 1715, 1756, 1960, 2195, 2401, 2744, 3073, 3430, 3512, 4390, 4802, 6146, 6860, 8780, 9604, 12005, 12292, 13720, 15365, 17560, 19208, 21511, 24010, 24584, 30730, 43022, 48020, 61460, 86044, 96040, 107555, 122920, 150577, 172088, 215110, 301154, 430220, 602308, 752885, 860440, 1054039, 1204616, 1505770, 2108078, 3011540, 4216156, 5270195, 6023080, 8432312, 10540390, 21080780, 42161560]

約数ペア:

[(1, 42161560), (2, 21080780), (4, 10540390), (5, 8432312), (7, 6023080), (8, 5270195), (10, 4216156), (14, 3011540), (20, 2108078), (28, 1505770), (35, 1204616), (40, 1054039), (49, 860440), (56, 752885), (70, 602308), (98, 430220), (140, 301154), (196, 215110), (245, 172088), (280, 150577), (343, 122920), (392, 107555), (439, 96040), (490, 86044), (686, 61460), (878, 48020), (980, 43022), (1372, 30730), (1715, 24584), (1756, 24010), (1960, 21511), (2195, 19208), (2401, 17560), (2744, 15365), (3073, 13720), (3430, 12292), (3512, 12005), (4390, 9604), (4802, 8780), (6146, 6860)]