30702520

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12583}}^1$

素因数の和:12655

約数の個数: 32

約数和(自身を含む): 70218720

約数和(自身を除く): 39516200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 12583, 25166, 50332, 62915, 100664, 125830, 251660, 503320, 767563, 1535126, 3070252, 3837815, 6140504, 7675630, 15351260, 30702520]

約数ペア:

[(1, 30702520), (2, 15351260), (4, 7675630), (5, 6140504), (8, 3837815), (10, 3070252), (20, 1535126), (40, 767563), (61, 503320), (122, 251660), (244, 125830), (305, 100664), (488, 62915), (610, 50332), (1220, 25166), (2440, 12583)]