640568016

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{404399}}^1$

素因数の和:404424

約数の個数: 60

約数和(自身を含む): 1955678400

約数和(自身を除く): 1315110384

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 792, 1584, 404399, 808798, 1213197, 1617596, 2426394, 3235192, 3639591, 4448389, 4852788, 6470384, 7279182, 8896778, 9705576, 13345167, 14558364, 17793556, 19411152, 26690334, 29116728, 35587112, 40035501, 53380668, 58233456, 71174224, 80071002, 106761336, 160142004, 213522672, 320284008, 640568016]

約数ペア:

[(1, 640568016), (2, 320284008), (3, 213522672), (4, 160142004), (6, 106761336), (8, 80071002), (9, 71174224), (11, 58233456), (12, 53380668), (16, 40035501), (18, 35587112), (22, 29116728), (24, 26690334), (33, 19411152), (36, 17793556), (44, 14558364), (48, 13345167), (66, 9705576), (72, 8896778), (88, 7279182), (99, 6470384), (132, 4852788), (144, 4448389), (176, 3639591), (198, 3235192), (264, 2426394), (396, 1617596), (528, 1213197), (792, 808798), (1584, 404399)]