87984540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{69829}}^1$

素因数の和:69851

約数の個数: 72

約数和(自身を含む): 305017440

約数和(自身を除く): 217032900

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, 69829, 139658, 209487, 279316, 349145, 418974, 488803, 628461, 698290, 837948, 977606, 1047435, 1256922, 1396580, 1466409, 1955212, 2094870, 2444015, 2513844, 2932818, 3142305, 4189740, 4399227, 4888030, 5865636, 6284610, 7332045, 8798454, 9776060, 12569220, 14664090, 17596908, 21996135, 29328180, 43992270, 87984540]

約数ペア:

[(1, 87984540), (2, 43992270), (3, 29328180), (4, 21996135), (5, 17596908), (6, 14664090), (7, 12569220), (9, 9776060), (10, 8798454), (12, 7332045), (14, 6284610), (15, 5865636), (18, 4888030), (20, 4399227), (21, 4189740), (28, 3142305), (30, 2932818), (35, 2513844), (36, 2444015), (42, 2094870), (45, 1955212), (60, 1466409), (63, 1396580), (70, 1256922), (84, 1047435), (90, 977606), (105, 837948), (126, 698290), (140, 628461), (180, 488803), (210, 418974), (252, 349145), (315, 279316), (420, 209487), (630, 139658), (1260, 69829)]