65720960

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3541}}^1$

素因数の和:3589

約数の個数: 64

約数和(自身を含む): 162577800

約数和(自身を除く): 96856840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 464, 580, 640, 928, 1160, 1856, 2320, 3541, 3712, 4640, 7082, 9280, 14164, 17705, 18560, 28328, 35410, 56656, 70820, 102689, 113312, 141640, 205378, 226624, 283280, 410756, 453248, 513445, 566560, 821512, 1026890, 1133120, 1643024, 2053780, 2266240, 3286048, 4107560, 6572096, 8215120, 13144192, 16430240, 32860480, 65720960]

約数ペア:

[(1, 65720960), (2, 32860480), (4, 16430240), (5, 13144192), (8, 8215120), (10, 6572096), (16, 4107560), (20, 3286048), (29, 2266240), (32, 2053780), (40, 1643024), (58, 1133120), (64, 1026890), (80, 821512), (116, 566560), (128, 513445), (145, 453248), (160, 410756), (232, 283280), (290, 226624), (320, 205378), (464, 141640), (580, 113312), (640, 102689), (928, 70820), (1160, 56656), (1856, 35410), (2320, 28328), (3541, 18560), (3712, 17705), (4640, 14164), (7082, 9280)]