68554240

素因数分解:

$2^9\times 5^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:523

約数の個数: 80

約数和(自身を含む): 167444640

約数和(自身を除く): 98890400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 439, 488, 512, 610, 640, 878, 976, 1220, 1280, 1756, 1952, 2195, 2440, 2560, 3512, 3904, 4390, 4880, 7024, 7808, 8780, 9760, 14048, 15616, 17560, 19520, 26779, 28096, 31232, 35120, 39040, 53558, 56192, 70240, 78080, 107116, 112384, 133895, 140480, 156160, 214232, 224768, 267790, 280960, 428464, 535580, 561920, 856928, 1071160, 1123840, 1713856, 2142320, 3427712, 4284640, 6855424, 8569280, 13710848, 17138560, 34277120, 68554240]

約数ペア:

[(1, 68554240), (2, 34277120), (4, 17138560), (5, 13710848), (8, 8569280), (10, 6855424), (16, 4284640), (20, 3427712), (32, 2142320), (40, 1713856), (61, 1123840), (64, 1071160), (80, 856928), (122, 561920), (128, 535580), (160, 428464), (244, 280960), (256, 267790), (305, 224768), (320, 214232), (439, 156160), (488, 140480), (512, 133895), (610, 112384), (640, 107116), (878, 78080), (976, 70240), (1220, 56192), (1280, 53558), (1756, 39040), (1952, 35120), (2195, 31232), (2440, 28096), (2560, 26779), (3512, 19520), (3904, 17560), (4390, 15616), (4880, 14048), (7024, 9760), (7808, 8780)]