75217280

素因数分解:

$2^7\times 5^1\times {\mathrm{211}}^1\times {\mathrm{557}}^1$

素因数の和:787

約数の個数: 64

約数和(自身を含む): 180992880

約数和(自身を除く): 105775600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 211, 320, 422, 557, 640, 844, 1055, 1114, 1688, 2110, 2228, 2785, 3376, 4220, 4456, 5570, 6752, 8440, 8912, 11140, 13504, 16880, 17824, 22280, 27008, 33760, 35648, 44560, 67520, 71296, 89120, 117527, 135040, 178240, 235054, 356480, 470108, 587635, 940216, 1175270, 1880432, 2350540, 3760864, 4701080, 7521728, 9402160, 15043456, 18804320, 37608640, 75217280]

約数ペア:

[(1, 75217280), (2, 37608640), (4, 18804320), (5, 15043456), (8, 9402160), (10, 7521728), (16, 4701080), (20, 3760864), (32, 2350540), (40, 1880432), (64, 1175270), (80, 940216), (128, 587635), (160, 470108), (211, 356480), (320, 235054), (422, 178240), (557, 135040), (640, 117527), (844, 89120), (1055, 71296), (1114, 67520), (1688, 44560), (2110, 35648), (2228, 33760), (2785, 27008), (3376, 22280), (4220, 17824), (4456, 16880), (5570, 13504), (6752, 11140), (8440, 8912)]