78720660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{48593}}^1$

素因数の和:48614

約数の個数: 60

約数和(自身を含む): 246954708

約数和(自身を除く): 168234048

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 48593, 97186, 145779, 194372, 242965, 291558, 437337, 485930, 583116, 728895, 874674, 971860, 1312011, 1457790, 1749348, 2186685, 2624022, 2915580, 3936033, 4373370, 5248044, 6560055, 7872066, 8746740, 13120110, 15744132, 19680165, 26240220, 39360330, 78720660]

約数ペア:

[(1, 78720660), (2, 39360330), (3, 26240220), (4, 19680165), (5, 15744132), (6, 13120110), (9, 8746740), (10, 7872066), (12, 6560055), (15, 5248044), (18, 4373370), (20, 3936033), (27, 2915580), (30, 2624022), (36, 2186685), (45, 1749348), (54, 1457790), (60, 1312011), (81, 971860), (90, 874674), (108, 728895), (135, 583116), (162, 485930), (180, 437337), (270, 291558), (324, 242965), (405, 194372), (540, 145779), (810, 97186), (1620, 48593)]