77313320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3889}}^1$

素因数の和:3978

約数の個数: 64

約数和(自身を含む): 201657600

約数和(自身を除く): 124344280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3889, 3976, 4970, 7778, 9940, 15556, 19445, 19880, 27223, 31112, 38890, 54446, 77780, 108892, 136115, 155560, 217784, 272230, 276119, 544460, 552238, 1088920, 1104476, 1380595, 1932833, 2208952, 2761190, 3865666, 5522380, 7731332, 9664165, 11044760, 15462664, 19328330, 38656660, 77313320]

約数ペア:

[(1, 77313320), (2, 38656660), (4, 19328330), (5, 15462664), (7, 11044760), (8, 9664165), (10, 7731332), (14, 5522380), (20, 3865666), (28, 2761190), (35, 2208952), (40, 1932833), (56, 1380595), (70, 1104476), (71, 1088920), (140, 552238), (142, 544460), (280, 276119), (284, 272230), (355, 217784), (497, 155560), (568, 136115), (710, 108892), (994, 77780), (1420, 54446), (1988, 38890), (2485, 31112), (2840, 27223), (3889, 19880), (3976, 19445), (4970, 15556), (7778, 9940)]