51444540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{40829}}^1$

素因数の和:40851

約数の個数: 72

約数和(自身を含む): 178345440

約数和(自身を除く): 126900900

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, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 40829, 81658, 122487, 163316, 204145, 244974, 285803, 367461, 408290, 489948, 571606, 612435, 734922, 816580, 857409, 1143212, 1224870, 1429015, 1469844, 1714818, 1837305, 2449740, 2572227, 2858030, 3429636, 3674610, 4287045, 5144454, 5716060, 7349220, 8574090, 10288908, 12861135, 17148180, 25722270, 51444540]

約数ペア:

[(1, 51444540), (2, 25722270), (3, 17148180), (4, 12861135), (5, 10288908), (6, 8574090), (7, 7349220), (9, 5716060), (10, 5144454), (12, 4287045), (14, 3674610), (15, 3429636), (18, 2858030), (20, 2572227), (21, 2449740), (28, 1837305), (30, 1714818), (35, 1469844), (36, 1429015), (42, 1224870), (45, 1143212), (60, 857409), (63, 816580), (70, 734922), (84, 612435), (90, 571606), (105, 489948), (126, 408290), (140, 367461), (180, 285803), (210, 244974), (252, 204145), (315, 163316), (420, 122487), (630, 81658), (1260, 40829)]