1996180920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{43661}}^1$

素因数の和:43805

約数の個数: 96

約数和(自身を含む): 6538821120

約数和(自身を除く): 4542640200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 127, 180, 254, 360, 381, 508, 635, 762, 1016, 1143, 1270, 1524, 1905, 2286, 2540, 3048, 3810, 4572, 5080, 5715, 7620, 9144, 11430, 15240, 22860, 43661, 45720, 87322, 130983, 174644, 218305, 261966, 349288, 392949, 436610, 523932, 654915, 785898, 873220, 1047864, 1309830, 1571796, 1746440, 1964745, 2619660, 3143592, 3929490, 5239320, 5544947, 7858980, 11089894, 15717960, 16634841, 22179788, 27724735, 33269682, 44359576, 49904523, 55449470, 66539364, 83174205, 99809046, 110898940, 133078728, 166348410, 199618092, 221797880, 249522615, 332696820, 399236184, 499045230, 665393640, 998090460, 1996180920]

約数ペア:

[(1, 1996180920), (2, 998090460), (3, 665393640), (4, 499045230), (5, 399236184), (6, 332696820), (8, 249522615), (9, 221797880), (10, 199618092), (12, 166348410), (15, 133078728), (18, 110898940), (20, 99809046), (24, 83174205), (30, 66539364), (36, 55449470), (40, 49904523), (45, 44359576), (60, 33269682), (72, 27724735), (90, 22179788), (120, 16634841), (127, 15717960), (180, 11089894), (254, 7858980), (360, 5544947), (381, 5239320), (508, 3929490), (635, 3143592), (762, 2619660), (1016, 1964745), (1143, 1746440), (1270, 1571796), (1524, 1309830), (1905, 1047864), (2286, 873220), (2540, 785898), (3048, 654915), (3810, 523932), (4572, 436610), (5080, 392949), (5715, 349288), (7620, 261966), (9144, 218305), (11430, 174644), (15240, 130983), (22860, 87322), (43661, 45720)]