131541520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:269

約数の個数: 120

約数和(自身を含む): 341978112

約数和(自身を除く): 210436592

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 107, 110, 121, 127, 176, 214, 220, 242, 254, 428, 440, 484, 508, 535, 605, 635, 856, 880, 968, 1016, 1070, 1177, 1210, 1270, 1397, 1712, 1936, 2032, 2140, 2354, 2420, 2540, 2794, 4280, 4708, 4840, 5080, 5588, 5885, 6985, 8560, 9416, 9680, 10160, 11176, 11770, 12947, 13589, 13970, 15367, 18832, 22352, 23540, 25894, 27178, 27940, 30734, 47080, 51788, 54356, 55880, 61468, 64735, 67945, 76835, 94160, 103576, 108712, 111760, 122936, 129470, 135890, 149479, 153670, 207152, 217424, 245872, 258940, 271780, 298958, 307340, 517880, 543560, 597916, 614680, 747395, 1035760, 1087120, 1195832, 1229360, 1494790, 1644269, 2391664, 2989580, 3288538, 5979160, 6577076, 8221345, 11958320, 13154152, 16442690, 26308304, 32885380, 65770760, 131541520]

約数ペア:

[(1, 131541520), (2, 65770760), (4, 32885380), (5, 26308304), (8, 16442690), (10, 13154152), (11, 11958320), (16, 8221345), (20, 6577076), (22, 5979160), (40, 3288538), (44, 2989580), (55, 2391664), (80, 1644269), (88, 1494790), (107, 1229360), (110, 1195832), (121, 1087120), (127, 1035760), (176, 747395), (214, 614680), (220, 597916), (242, 543560), (254, 517880), (428, 307340), (440, 298958), (484, 271780), (508, 258940), (535, 245872), (605, 217424), (635, 207152), (856, 153670), (880, 149479), (968, 135890), (1016, 129470), (1070, 122936), (1177, 111760), (1210, 108712), (1270, 103576), (1397, 94160), (1712, 76835), (1936, 67945), (2032, 64735), (2140, 61468), (2354, 55880), (2420, 54356), (2540, 51788), (2794, 47080), (4280, 30734), (4708, 27940), (4840, 27178), (5080, 25894), (5588, 23540), (5885, 22352), (6985, 18832), (8560, 15367), (9416, 13970), (9680, 13589), (10160, 12947), (11176, 11770)]