215157040

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{7841}}^1$

素因数の和:7875

約数の個数: 80

約数和(自身を含む): 583444800

約数和(自身を除く): 368287760

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, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 5488, 6860, 7841, 13720, 15682, 27440, 31364, 39205, 54887, 62728, 78410, 109774, 125456, 156820, 219548, 274435, 313640, 384209, 439096, 548870, 627280, 768418, 878192, 1097740, 1536836, 1921045, 2195480, 2689463, 3073672, 3842090, 4390960, 5378926, 6147344, 7684180, 10757852, 13447315, 15368360, 21515704, 26894630, 30736720, 43031408, 53789260, 107578520, 215157040]

約数ペア:

[(1, 215157040), (2, 107578520), (4, 53789260), (5, 43031408), (7, 30736720), (8, 26894630), (10, 21515704), (14, 15368360), (16, 13447315), (20, 10757852), (28, 7684180), (35, 6147344), (40, 5378926), (49, 4390960), (56, 3842090), (70, 3073672), (80, 2689463), (98, 2195480), (112, 1921045), (140, 1536836), (196, 1097740), (245, 878192), (280, 768418), (343, 627280), (392, 548870), (490, 439096), (560, 384209), (686, 313640), (784, 274435), (980, 219548), (1372, 156820), (1715, 125456), (1960, 109774), (2744, 78410), (3430, 62728), (3920, 54887), (5488, 39205), (6860, 31364), (7841, 27440), (13720, 15682)]