79999740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{444443}}^1$

素因数の和:444458

約数の個数: 36

約数和(自身を含む): 242666424

約数和(自身を除く): 162666684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 444443, 888886, 1333329, 1777772, 2222215, 2666658, 3999987, 4444430, 5333316, 6666645, 7999974, 8888860, 13333290, 15999948, 19999935, 26666580, 39999870, 79999740]

約数ペア:

[(1, 79999740), (2, 39999870), (3, 26666580), (4, 19999935), (5, 15999948), (6, 13333290), (9, 8888860), (10, 7999974), (12, 6666645), (15, 5333316), (18, 4444430), (20, 3999987), (30, 2666658), (36, 2222215), (45, 1777772), (60, 1333329), (90, 888886), (180, 444443)]