206865280

素因数分解:

$2^7\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1229}}^1$

素因数の和:1511

約数の個数: 64

約数和(自身を含む): 496821600

約数和(自身を除く): 289956320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 263, 320, 526, 640, 1052, 1229, 1315, 2104, 2458, 2630, 4208, 4916, 5260, 6145, 8416, 9832, 10520, 12290, 16832, 19664, 21040, 24580, 33664, 39328, 42080, 49160, 78656, 84160, 98320, 157312, 168320, 196640, 323227, 393280, 646454, 786560, 1292908, 1616135, 2585816, 3232270, 5171632, 6464540, 10343264, 12929080, 20686528, 25858160, 41373056, 51716320, 103432640, 206865280]

約数ペア:

[(1, 206865280), (2, 103432640), (4, 51716320), (5, 41373056), (8, 25858160), (10, 20686528), (16, 12929080), (20, 10343264), (32, 6464540), (40, 5171632), (64, 3232270), (80, 2585816), (128, 1616135), (160, 1292908), (263, 786560), (320, 646454), (526, 393280), (640, 323227), (1052, 196640), (1229, 168320), (1315, 157312), (2104, 98320), (2458, 84160), (2630, 78656), (4208, 49160), (4916, 42080), (5260, 39328), (6145, 33664), (8416, 24580), (9832, 21040), (10520, 19664), (12290, 16832)]