278876880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{387329}}^1$

素因数の和:387348

約数の個数: 60

約数和(自身を含む): 936563940

約数和(自身を除く): 657687060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 387329, 774658, 1161987, 1549316, 1936645, 2323974, 3098632, 3485961, 3873290, 4647948, 5809935, 6197264, 6971922, 7746580, 9295896, 11619870, 13943844, 15493160, 17429805, 18591792, 23239740, 27887688, 30986320, 34859610, 46479480, 55775376, 69719220, 92958960, 139438440, 278876880]

約数ペア:

[(1, 278876880), (2, 139438440), (3, 92958960), (4, 69719220), (5, 55775376), (6, 46479480), (8, 34859610), (9, 30986320), (10, 27887688), (12, 23239740), (15, 18591792), (16, 17429805), (18, 15493160), (20, 13943844), (24, 11619870), (30, 9295896), (36, 7746580), (40, 6971922), (45, 6197264), (48, 5809935), (60, 4647948), (72, 3873290), (80, 3485961), (90, 3098632), (120, 2323974), (144, 1936645), (180, 1549316), (240, 1161987), (360, 774658), (720, 387329)]