81180984

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:301

約数の個数: 128

約数和(自身を含む): 230791680

約数和(自身を除く): 149610696

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 23, 24, 34, 41, 46, 51, 68, 69, 82, 92, 102, 123, 136, 138, 164, 184, 204, 211, 246, 276, 328, 391, 408, 422, 492, 552, 633, 697, 782, 844, 943, 984, 1173, 1266, 1394, 1564, 1688, 1886, 2091, 2346, 2532, 2788, 2829, 3128, 3587, 3772, 4182, 4692, 4853, 5064, 5576, 5658, 7174, 7544, 8364, 8651, 9384, 9706, 10761, 11316, 14348, 14559, 16031, 16728, 17302, 19412, 21522, 22632, 25953, 28696, 29118, 32062, 34604, 38824, 43044, 48093, 51906, 58236, 64124, 69208, 82501, 86088, 96186, 103812, 116472, 128248, 147067, 165002, 192372, 198973, 207624, 247503, 294134, 330004, 384744, 397946, 441201, 495006, 588268, 596919, 660008, 795892, 882402, 990012, 1176536, 1193838, 1591784, 1764804, 1980024, 2387676, 3382541, 3529608, 4775352, 6765082, 10147623, 13530164, 20295246, 27060328, 40590492, 81180984]

約数ペア:

[(1, 81180984), (2, 40590492), (3, 27060328), (4, 20295246), (6, 13530164), (8, 10147623), (12, 6765082), (17, 4775352), (23, 3529608), (24, 3382541), (34, 2387676), (41, 1980024), (46, 1764804), (51, 1591784), (68, 1193838), (69, 1176536), (82, 990012), (92, 882402), (102, 795892), (123, 660008), (136, 596919), (138, 588268), (164, 495006), (184, 441201), (204, 397946), (211, 384744), (246, 330004), (276, 294134), (328, 247503), (391, 207624), (408, 198973), (422, 192372), (492, 165002), (552, 147067), (633, 128248), (697, 116472), (782, 103812), (844, 96186), (943, 86088), (984, 82501), (1173, 69208), (1266, 64124), (1394, 58236), (1564, 51906), (1688, 48093), (1886, 43044), (2091, 38824), (2346, 34604), (2532, 32062), (2788, 29118), (2829, 28696), (3128, 25953), (3587, 22632), (3772, 21522), (4182, 19412), (4692, 17302), (4853, 16728), (5064, 16031), (5576, 14559), (5658, 14348), (7174, 11316), (7544, 10761), (8364, 9706), (8651, 9384)]