51454620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:540

約数の個数: 144

約数和(自身を含む): 180643008

約数和(自身を除く): 129188388

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 97, 105, 126, 140, 180, 194, 210, 252, 291, 315, 388, 420, 421, 485, 582, 630, 679, 842, 873, 970, 1164, 1260, 1263, 1358, 1455, 1684, 1746, 1940, 2037, 2105, 2526, 2716, 2910, 2947, 3395, 3492, 3789, 4074, 4210, 4365, 5052, 5820, 5894, 6111, 6315, 6790, 7578, 8148, 8420, 8730, 8841, 10185, 11788, 12222, 12630, 13580, 14735, 15156, 17460, 17682, 18945, 20370, 24444, 25260, 26523, 29470, 30555, 35364, 37890, 40740, 40837, 44205, 53046, 58940, 61110, 75780, 81674, 88410, 106092, 122220, 122511, 132615, 163348, 176820, 204185, 245022, 265230, 285859, 367533, 408370, 490044, 530460, 571718, 612555, 735066, 816740, 857577, 1143436, 1225110, 1429295, 1470132, 1715154, 1837665, 2450220, 2572731, 2858590, 3430308, 3675330, 4287885, 5145462, 5717180, 7350660, 8575770, 10290924, 12863655, 17151540, 25727310, 51454620]

約数ペア:

[(1, 51454620), (2, 25727310), (3, 17151540), (4, 12863655), (5, 10290924), (6, 8575770), (7, 7350660), (9, 5717180), (10, 5145462), (12, 4287885), (14, 3675330), (15, 3430308), (18, 2858590), (20, 2572731), (21, 2450220), (28, 1837665), (30, 1715154), (35, 1470132), (36, 1429295), (42, 1225110), (45, 1143436), (60, 857577), (63, 816740), (70, 735066), (84, 612555), (90, 571718), (97, 530460), (105, 490044), (126, 408370), (140, 367533), (180, 285859), (194, 265230), (210, 245022), (252, 204185), (291, 176820), (315, 163348), (388, 132615), (420, 122511), (421, 122220), (485, 106092), (582, 88410), (630, 81674), (679, 75780), (842, 61110), (873, 58940), (970, 53046), (1164, 44205), (1260, 40837), (1263, 40740), (1358, 37890), (1455, 35364), (1684, 30555), (1746, 29470), (1940, 26523), (2037, 25260), (2105, 24444), (2526, 20370), (2716, 18945), (2910, 17682), (2947, 17460), (3395, 15156), (3492, 14735), (3789, 13580), (4074, 12630), (4210, 12222), (4365, 11788), (5052, 10185), (5820, 8841), (5894, 8730), (6111, 8420), (6315, 8148), (6790, 7578)]