780256540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{431}}^1$

素因数の和:707

約数の個数: 96

約数和(自身を含む): 1914845184

約数和(自身を除く): 1134588644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 193, 268, 335, 386, 431, 469, 670, 772, 862, 938, 965, 1340, 1351, 1724, 1876, 1930, 2155, 2345, 2702, 3017, 3860, 4310, 4690, 5404, 6034, 6755, 8620, 9380, 12068, 12931, 13510, 15085, 25862, 27020, 28877, 30170, 51724, 57754, 60340, 64655, 83183, 90517, 115508, 129310, 144385, 166366, 181034, 202139, 258620, 288770, 332732, 362068, 404278, 415915, 452585, 577540, 582281, 808556, 831830, 905170, 1010695, 1164562, 1663660, 1810340, 2021390, 2329124, 2911405, 4042780, 5573261, 5822810, 11146522, 11645620, 22293044, 27866305, 39012827, 55732610, 78025654, 111465220, 156051308, 195064135, 390128270, 780256540]

約数ペア:

[(1, 780256540), (2, 390128270), (4, 195064135), (5, 156051308), (7, 111465220), (10, 78025654), (14, 55732610), (20, 39012827), (28, 27866305), (35, 22293044), (67, 11645620), (70, 11146522), (134, 5822810), (140, 5573261), (193, 4042780), (268, 2911405), (335, 2329124), (386, 2021390), (431, 1810340), (469, 1663660), (670, 1164562), (772, 1010695), (862, 905170), (938, 831830), (965, 808556), (1340, 582281), (1351, 577540), (1724, 452585), (1876, 415915), (1930, 404278), (2155, 362068), (2345, 332732), (2702, 288770), (3017, 258620), (3860, 202139), (4310, 181034), (4690, 166366), (5404, 144385), (6034, 129310), (6755, 115508), (8620, 90517), (9380, 83183), (12068, 64655), (12931, 60340), (13510, 57754), (15085, 51724), (25862, 30170), (27020, 28877)]