79467780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{439}}^1$

素因数の和:889

約数の個数: 96

約数和(自身を含む): 255467520

約数和(自身を除く): 175999740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 431, 439, 862, 878, 1293, 1317, 1724, 1756, 2155, 2195, 2586, 2634, 3017, 3073, 4310, 4390, 5172, 5268, 6034, 6146, 6465, 6585, 8620, 8780, 9051, 9219, 12068, 12292, 12930, 13170, 15085, 15365, 18102, 18438, 25860, 26340, 30170, 30730, 36204, 36876, 45255, 46095, 60340, 61460, 90510, 92190, 181020, 184380, 189209, 378418, 567627, 756836, 946045, 1135254, 1324463, 1892090, 2270508, 2648926, 2838135, 3784180, 3973389, 5297852, 5676270, 6622315, 7946778, 11352540, 13244630, 15893556, 19866945, 26489260, 39733890, 79467780]

約数ペア:

[(1, 79467780), (2, 39733890), (3, 26489260), (4, 19866945), (5, 15893556), (6, 13244630), (7, 11352540), (10, 7946778), (12, 6622315), (14, 5676270), (15, 5297852), (20, 3973389), (21, 3784180), (28, 2838135), (30, 2648926), (35, 2270508), (42, 1892090), (60, 1324463), (70, 1135254), (84, 946045), (105, 756836), (140, 567627), (210, 378418), (420, 189209), (431, 184380), (439, 181020), (862, 92190), (878, 90510), (1293, 61460), (1317, 60340), (1724, 46095), (1756, 45255), (2155, 36876), (2195, 36204), (2586, 30730), (2634, 30170), (3017, 26340), (3073, 25860), (4310, 18438), (4390, 18102), (5172, 15365), (5268, 15085), (6034, 13170), (6146, 12930), (6465, 12292), (6585, 12068), (8620, 9219), (8780, 9051)]