261875320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{761}}^1\times {\mathrm{1229}}^1$

素因数の和:2008

約数の個数: 64

約数和(自身を含む): 674827200

約数和(自身を除く): 412951880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 761, 1229, 1522, 2458, 3044, 3805, 4916, 5327, 6088, 6145, 7610, 8603, 9832, 10654, 12290, 15220, 17206, 21308, 24580, 26635, 30440, 34412, 42616, 43015, 49160, 53270, 68824, 86030, 106540, 172060, 213080, 344120, 935269, 1870538, 3741076, 4676345, 6546883, 7482152, 9352690, 13093766, 18705380, 26187532, 32734415, 37410760, 52375064, 65468830, 130937660, 261875320]

約数ペア:

[(1, 261875320), (2, 130937660), (4, 65468830), (5, 52375064), (7, 37410760), (8, 32734415), (10, 26187532), (14, 18705380), (20, 13093766), (28, 9352690), (35, 7482152), (40, 6546883), (56, 4676345), (70, 3741076), (140, 1870538), (280, 935269), (761, 344120), (1229, 213080), (1522, 172060), (2458, 106540), (3044, 86030), (3805, 68824), (4916, 53270), (5327, 49160), (6088, 43015), (6145, 42616), (7610, 34412), (8603, 30440), (9832, 26635), (10654, 24580), (12290, 21308), (15220, 17206)]