866284880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{10949}}^1$

素因数の和:11028

約数の個数: 80

約数和(自身を含む): 2150755200

約数和(自身を除く): 1284470320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 43, 46, 80, 86, 92, 115, 172, 184, 215, 230, 344, 368, 430, 460, 688, 860, 920, 989, 1720, 1840, 1978, 3440, 3956, 4945, 7912, 9890, 10949, 15824, 19780, 21898, 39560, 43796, 54745, 79120, 87592, 109490, 175184, 218980, 251827, 437960, 470807, 503654, 875920, 941614, 1007308, 1259135, 1883228, 2014616, 2354035, 2518270, 3766456, 4029232, 4708070, 5036540, 7532912, 9416140, 10073080, 10828561, 18832280, 20146160, 21657122, 37664560, 43314244, 54142805, 86628488, 108285610, 173256976, 216571220, 433142440, 866284880]

約数ペア:

[(1, 866284880), (2, 433142440), (4, 216571220), (5, 173256976), (8, 108285610), (10, 86628488), (16, 54142805), (20, 43314244), (23, 37664560), (40, 21657122), (43, 20146160), (46, 18832280), (80, 10828561), (86, 10073080), (92, 9416140), (115, 7532912), (172, 5036540), (184, 4708070), (215, 4029232), (230, 3766456), (344, 2518270), (368, 2354035), (430, 2014616), (460, 1883228), (688, 1259135), (860, 1007308), (920, 941614), (989, 875920), (1720, 503654), (1840, 470807), (1978, 437960), (3440, 251827), (3956, 218980), (4945, 175184), (7912, 109490), (9890, 87592), (10949, 79120), (15824, 54745), (19780, 43796), (21898, 39560)]