87982020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{69827}}^1$

素因数の和:69849

約数の個数: 72

約数和(自身を含む): 305008704

約数和(自身を除く): 217026684

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, 69827, 139654, 209481, 279308, 349135, 418962, 488789, 628443, 698270, 837924, 977578, 1047405, 1256886, 1396540, 1466367, 1955156, 2094810, 2443945, 2513772, 2932734, 3142215, 4189620, 4399101, 4887890, 5865468, 6284430, 7331835, 8798202, 9775780, 12568860, 14663670, 17596404, 21995505, 29327340, 43991010, 87982020]

約数ペア:

[(1, 87982020), (2, 43991010), (3, 29327340), (4, 21995505), (5, 17596404), (6, 14663670), (7, 12568860), (9, 9775780), (10, 8798202), (12, 7331835), (14, 6284430), (15, 5865468), (18, 4887890), (20, 4399101), (21, 4189620), (28, 3142215), (30, 2932734), (35, 2513772), (36, 2443945), (42, 2094810), (45, 1955156), (60, 1466367), (63, 1396540), (70, 1256886), (84, 1047405), (90, 977578), (105, 837924), (126, 698270), (140, 628443), (180, 488789), (210, 418962), (252, 349135), (315, 279308), (420, 209481), (630, 139654), (1260, 69827)]