80857260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:544

約数の個数: 144

約数和(自身を含む): 270964512

約数和(自身を除く): 190107252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 97, 99, 110, 132, 165, 180, 194, 198, 220, 291, 330, 388, 396, 421, 485, 495, 582, 660, 842, 873, 970, 990, 1067, 1164, 1263, 1455, 1684, 1746, 1940, 1980, 2105, 2134, 2526, 2910, 3201, 3492, 3789, 4210, 4268, 4365, 4631, 5052, 5335, 5820, 6315, 6402, 7578, 8420, 8730, 9262, 9603, 10670, 12630, 12804, 13893, 15156, 16005, 17460, 18524, 18945, 19206, 21340, 23155, 25260, 27786, 32010, 37890, 38412, 40837, 41679, 46310, 48015, 55572, 64020, 69465, 75780, 81674, 83358, 92620, 96030, 122511, 138930, 163348, 166716, 192060, 204185, 208395, 245022, 277860, 367533, 408370, 416790, 449207, 490044, 612555, 735066, 816740, 833580, 898414, 1225110, 1347621, 1470132, 1796828, 1837665, 2246035, 2450220, 2695242, 3675330, 4042863, 4492070, 5390484, 6738105, 7350660, 8085726, 8984140, 13476210, 16171452, 20214315, 26952420, 40428630, 80857260]

約数ペア:

[(1, 80857260), (2, 40428630), (3, 26952420), (4, 20214315), (5, 16171452), (6, 13476210), (9, 8984140), (10, 8085726), (11, 7350660), (12, 6738105), (15, 5390484), (18, 4492070), (20, 4042863), (22, 3675330), (30, 2695242), (33, 2450220), (36, 2246035), (44, 1837665), (45, 1796828), (55, 1470132), (60, 1347621), (66, 1225110), (90, 898414), (97, 833580), (99, 816740), (110, 735066), (132, 612555), (165, 490044), (180, 449207), (194, 416790), (198, 408370), (220, 367533), (291, 277860), (330, 245022), (388, 208395), (396, 204185), (421, 192060), (485, 166716), (495, 163348), (582, 138930), (660, 122511), (842, 96030), (873, 92620), (970, 83358), (990, 81674), (1067, 75780), (1164, 69465), (1263, 64020), (1455, 55572), (1684, 48015), (1746, 46310), (1940, 41679), (1980, 40837), (2105, 38412), (2134, 37890), (2526, 32010), (2910, 27786), (3201, 25260), (3492, 23155), (3789, 21340), (4210, 19206), (4268, 18945), (4365, 18524), (4631, 17460), (5052, 16005), (5335, 15156), (5820, 13893), (6315, 12804), (6402, 12630), (7578, 10670), (8420, 9603), (8730, 9262)]