640180344

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{719}}^1\times {\mathrm{1613}}^1$

素因数の和:2364

約数の個数: 64

約数和(自身を含む): 1673395200

約数和(自身を除く): 1033214856

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276, 552, 719, 1438, 1613, 2157, 2876, 3226, 4314, 4839, 5752, 6452, 8628, 9678, 12904, 16537, 17256, 19356, 33074, 37099, 38712, 49611, 66148, 74198, 99222, 111297, 132296, 148396, 198444, 222594, 296792, 396888, 445188, 890376, 1159747, 2319494, 3479241, 4638988, 6958482, 9277976, 13916964, 26674181, 27833928, 53348362, 80022543, 106696724, 160045086, 213393448, 320090172, 640180344]

約数ペア:

[(1, 640180344), (2, 320090172), (3, 213393448), (4, 160045086), (6, 106696724), (8, 80022543), (12, 53348362), (23, 27833928), (24, 26674181), (46, 13916964), (69, 9277976), (92, 6958482), (138, 4638988), (184, 3479241), (276, 2319494), (552, 1159747), (719, 890376), (1438, 445188), (1613, 396888), (2157, 296792), (2876, 222594), (3226, 198444), (4314, 148396), (4839, 132296), (5752, 111297), (6452, 99222), (8628, 74198), (9678, 66148), (12904, 49611), (16537, 38712), (17256, 37099), (19356, 33074)]