77361920

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3181}}^1$

素因数の和:3221

約数の個数: 72

約数和(自身を含む): 195120240

約数和(自身を除く): 117758320

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, 3181, 4864, 6080, 6362, 12160, 12724, 15905, 24320, 25448, 31810, 50896, 60439, 63620, 101792, 120878, 127240, 203584, 241756, 254480, 302195, 407168, 483512, 508960, 604390, 814336, 967024, 1017920, 1208780, 1934048, 2035840, 2417560, 3868096, 4071680, 4835120, 7736192, 9670240, 15472384, 19340480, 38680960, 77361920]

約数ペア:

[(1, 77361920), (2, 38680960), (4, 19340480), (5, 15472384), (8, 9670240), (10, 7736192), (16, 4835120), (19, 4071680), (20, 3868096), (32, 2417560), (38, 2035840), (40, 1934048), (64, 1208780), (76, 1017920), (80, 967024), (95, 814336), (128, 604390), (152, 508960), (160, 483512), (190, 407168), (256, 302195), (304, 254480), (320, 241756), (380, 203584), (608, 127240), (640, 120878), (760, 101792), (1216, 63620), (1280, 60439), (1520, 50896), (2432, 31810), (3040, 25448), (3181, 24320), (4864, 15905), (6080, 12724), (6362, 12160)]