121283840

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4987}}^1$

素因数の和:5027

約数の個数: 72

約数和(自身を含む): 305864160

約数和(自身を除く): 184580320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 4864, 4987, 6080, 9974, 12160, 19948, 24320, 24935, 39896, 49870, 79792, 94753, 99740, 159584, 189506, 199480, 319168, 379012, 398960, 473765, 638336, 758024, 797920, 947530, 1276672, 1516048, 1595840, 1895060, 3032096, 3191680, 3790120, 6064192, 6383360, 7580240, 12128384, 15160480, 24256768, 30320960, 60641920, 121283840]

約数ペア:

[(1, 121283840), (2, 60641920), (4, 30320960), (5, 24256768), (8, 15160480), (10, 12128384), (16, 7580240), (19, 6383360), (20, 6064192), (32, 3790120), (38, 3191680), (40, 3032096), (64, 1895060), (76, 1595840), (80, 1516048), (95, 1276672), (128, 947530), (152, 797920), (160, 758024), (190, 638336), (256, 473765), (304, 398960), (320, 379012), (380, 319168), (608, 199480), (640, 189506), (760, 159584), (1216, 99740), (1280, 94753), (1520, 79792), (2432, 49870), (3040, 39896), (4864, 24935), (4987, 24320), (6080, 19948), (9974, 12160)]