6661720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1$

素因数の和:604

約数の個数: 64

約数和(自身を含む): 16873920

約数和(自身を除く): 10212200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 557, 598, 920, 1114, 1196, 1495, 2228, 2392, 2785, 2990, 4456, 5570, 5980, 7241, 11140, 11960, 12811, 14482, 22280, 25622, 28964, 36205, 51244, 57928, 64055, 72410, 102488, 128110, 144820, 166543, 256220, 289640, 333086, 512440, 666172, 832715, 1332344, 1665430, 3330860, 6661720]

約数ペア:

[(1, 6661720), (2, 3330860), (4, 1665430), (5, 1332344), (8, 832715), (10, 666172), (13, 512440), (20, 333086), (23, 289640), (26, 256220), (40, 166543), (46, 144820), (52, 128110), (65, 102488), (92, 72410), (104, 64055), (115, 57928), (130, 51244), (184, 36205), (230, 28964), (260, 25622), (299, 22280), (460, 14482), (520, 12811), (557, 11960), (598, 11140), (920, 7241), (1114, 5980), (1196, 5570), (1495, 4456), (2228, 2990), (2392, 2785)]