80280760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1759}}^1$

素因数の和:1940

約数の個数: 64

約数和(自身を含む): 207820800

約数和(自身を除く): 127540040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 815, 1141, 1304, 1630, 1759, 2282, 3260, 3518, 4564, 5705, 6520, 7036, 8795, 9128, 11410, 12313, 14072, 17590, 22820, 24626, 35180, 45640, 49252, 61565, 70360, 98504, 123130, 246260, 286717, 492520, 573434, 1146868, 1433585, 2007019, 2293736, 2867170, 4014038, 5734340, 8028076, 10035095, 11468680, 16056152, 20070190, 40140380, 80280760]

約数ペア:

[(1, 80280760), (2, 40140380), (4, 20070190), (5, 16056152), (7, 11468680), (8, 10035095), (10, 8028076), (14, 5734340), (20, 4014038), (28, 2867170), (35, 2293736), (40, 2007019), (56, 1433585), (70, 1146868), (140, 573434), (163, 492520), (280, 286717), (326, 246260), (652, 123130), (815, 98504), (1141, 70360), (1304, 61565), (1630, 49252), (1759, 45640), (2282, 35180), (3260, 24626), (3518, 22820), (4564, 17590), (5705, 14072), (6520, 12313), (7036, 11410), (8795, 9128)]