205652880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{285629}}^1$

素因数の和:285648

約数の個数: 60

約数和(自身を含む): 690653340

約数和(自身を除く): 485000460

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, 285629, 571258, 856887, 1142516, 1428145, 1713774, 2285032, 2570661, 2856290, 3427548, 4284435, 4570064, 5141322, 5712580, 6855096, 8568870, 10282644, 11425160, 12853305, 13710192, 17137740, 20565288, 22850320, 25706610, 34275480, 41130576, 51413220, 68550960, 102826440, 205652880]

約数ペア:

[(1, 205652880), (2, 102826440), (3, 68550960), (4, 51413220), (5, 41130576), (6, 34275480), (8, 25706610), (9, 22850320), (10, 20565288), (12, 17137740), (15, 13710192), (16, 12853305), (18, 11425160), (20, 10282644), (24, 8568870), (30, 6855096), (36, 5712580), (40, 5141322), (45, 4570064), (48, 4284435), (60, 3427548), (72, 2856290), (80, 2570661), (90, 2285032), (120, 1713774), (144, 1428145), (180, 1142516), (240, 856887), (360, 571258), (720, 285629)]