220556880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{306329}}^1$

素因数の和:306348

約数の個数: 60

約数和(自身を含む): 740705940

約数和(自身を除く): 520149060

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, 306329, 612658, 918987, 1225316, 1531645, 1837974, 2450632, 2756961, 3063290, 3675948, 4594935, 4901264, 5513922, 6126580, 7351896, 9189870, 11027844, 12253160, 13784805, 14703792, 18379740, 22055688, 24506320, 27569610, 36759480, 44111376, 55139220, 73518960, 110278440, 220556880]

約数ペア:

[(1, 220556880), (2, 110278440), (3, 73518960), (4, 55139220), (5, 44111376), (6, 36759480), (8, 27569610), (9, 24506320), (10, 22055688), (12, 18379740), (15, 14703792), (16, 13784805), (18, 12253160), (20, 11027844), (24, 9189870), (30, 7351896), (36, 6126580), (40, 5513922), (45, 4901264), (48, 4594935), (60, 3675948), (72, 3063290), (80, 2756961), (90, 2450632), (120, 1837974), (144, 1531645), (180, 1225316), (240, 918987), (360, 612658), (720, 306329)]