66391640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3539}}^1$

素因数の和:3624

約数の個数: 64

約数和(自身を含む): 173318400

約数和(自身を除く): 106926760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 938, 1340, 1876, 2345, 2680, 3539, 3752, 4690, 7078, 9380, 14156, 17695, 18760, 24773, 28312, 35390, 49546, 70780, 99092, 123865, 141560, 198184, 237113, 247730, 474226, 495460, 948452, 990920, 1185565, 1659791, 1896904, 2371130, 3319582, 4742260, 6639164, 8298955, 9484520, 13278328, 16597910, 33195820, 66391640]

約数ペア:

[(1, 66391640), (2, 33195820), (4, 16597910), (5, 13278328), (7, 9484520), (8, 8298955), (10, 6639164), (14, 4742260), (20, 3319582), (28, 2371130), (35, 1896904), (40, 1659791), (56, 1185565), (67, 990920), (70, 948452), (134, 495460), (140, 474226), (268, 247730), (280, 237113), (335, 198184), (469, 141560), (536, 123865), (670, 99092), (938, 70780), (1340, 49546), (1876, 35390), (2345, 28312), (2680, 24773), (3539, 18760), (3752, 17695), (4690, 14156), (7078, 9380)]