155681680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:357

約数の個数: 160

約数和(自身を含む): 457113600

約数和(自身を除く): 301431920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 127, 140, 154, 176, 199, 220, 254, 280, 308, 385, 398, 440, 508, 560, 616, 635, 770, 796, 880, 889, 995, 1016, 1232, 1270, 1393, 1397, 1540, 1592, 1778, 1990, 2032, 2189, 2540, 2786, 2794, 3080, 3184, 3556, 3980, 4378, 4445, 5080, 5572, 5588, 6160, 6965, 6985, 7112, 7960, 8756, 8890, 9779, 10160, 10945, 11144, 11176, 13930, 13970, 14224, 15323, 15920, 17512, 17780, 19558, 21890, 22288, 22352, 25273, 27860, 27940, 30646, 35024, 35560, 39116, 43780, 48895, 50546, 55720, 55880, 61292, 71120, 76615, 78232, 87560, 97790, 101092, 111440, 111760, 122584, 126365, 153230, 156464, 175120, 176911, 195580, 202184, 245168, 252730, 278003, 306460, 353822, 391160, 404368, 505460, 556006, 612920, 707644, 782320, 884555, 1010920, 1112012, 1225840, 1390015, 1415288, 1769110, 1946021, 2021840, 2224024, 2780030, 2830576, 3538220, 3892042, 4448048, 5560060, 7076440, 7784084, 9730105, 11120120, 14152880, 15568168, 19460210, 22240240, 31136336, 38920420, 77840840, 155681680]

約数ペア:

[(1, 155681680), (2, 77840840), (4, 38920420), (5, 31136336), (7, 22240240), (8, 19460210), (10, 15568168), (11, 14152880), (14, 11120120), (16, 9730105), (20, 7784084), (22, 7076440), (28, 5560060), (35, 4448048), (40, 3892042), (44, 3538220), (55, 2830576), (56, 2780030), (70, 2224024), (77, 2021840), (80, 1946021), (88, 1769110), (110, 1415288), (112, 1390015), (127, 1225840), (140, 1112012), (154, 1010920), (176, 884555), (199, 782320), (220, 707644), (254, 612920), (280, 556006), (308, 505460), (385, 404368), (398, 391160), (440, 353822), (508, 306460), (560, 278003), (616, 252730), (635, 245168), (770, 202184), (796, 195580), (880, 176911), (889, 175120), (995, 156464), (1016, 153230), (1232, 126365), (1270, 122584), (1393, 111760), (1397, 111440), (1540, 101092), (1592, 97790), (1778, 87560), (1990, 78232), (2032, 76615), (2189, 71120), (2540, 61292), (2786, 55880), (2794, 55720), (3080, 50546), (3184, 48895), (3556, 43780), (3980, 39116), (4378, 35560), (4445, 35024), (5080, 30646), (5572, 27940), (5588, 27860), (6160, 25273), (6965, 22352), (6985, 22288), (7112, 21890), (7960, 19558), (8756, 17780), (8890, 17512), (9779, 15920), (10160, 15323), (10945, 14224), (11144, 13970), (11176, 13930)]