72986220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21341}}^1$

素因数の和:21375

約数の個数: 72

約数和(自身を含む): 233054640

約数和(自身を除く): 160068420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 21341, 42682, 64023, 85364, 106705, 128046, 192069, 213410, 256092, 320115, 384138, 405479, 426820, 640230, 768276, 810958, 960345, 1216437, 1280460, 1621916, 1920690, 2027395, 2432874, 3649311, 3841380, 4054790, 4865748, 6082185, 7298622, 8109580, 12164370, 14597244, 18246555, 24328740, 36493110, 72986220]

約数ペア:

[(1, 72986220), (2, 36493110), (3, 24328740), (4, 18246555), (5, 14597244), (6, 12164370), (9, 8109580), (10, 7298622), (12, 6082185), (15, 4865748), (18, 4054790), (19, 3841380), (20, 3649311), (30, 2432874), (36, 2027395), (38, 1920690), (45, 1621916), (57, 1280460), (60, 1216437), (76, 960345), (90, 810958), (95, 768276), (114, 640230), (171, 426820), (180, 405479), (190, 384138), (228, 320115), (285, 256092), (342, 213410), (380, 192069), (570, 128046), (684, 106705), (855, 85364), (1140, 64023), (1710, 42682), (3420, 21341)]