255911640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{8923}}^1$

素因数の和:9176

約数の個数: 64

約数和(自身を含む): 771033600

約数和(自身を除く): 515121960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 478, 717, 956, 1195, 1434, 1912, 2390, 2868, 3585, 4780, 5736, 7170, 8923, 9560, 14340, 17846, 26769, 28680, 35692, 44615, 53538, 71384, 89230, 107076, 133845, 178460, 214152, 267690, 356920, 535380, 1070760, 2132597, 4265194, 6397791, 8530388, 10662985, 12795582, 17060776, 21325970, 25591164, 31988955, 42651940, 51182328, 63977910, 85303880, 127955820, 255911640]

約数ペア:

[(1, 255911640), (2, 127955820), (3, 85303880), (4, 63977910), (5, 51182328), (6, 42651940), (8, 31988955), (10, 25591164), (12, 21325970), (15, 17060776), (20, 12795582), (24, 10662985), (30, 8530388), (40, 6397791), (60, 4265194), (120, 2132597), (239, 1070760), (478, 535380), (717, 356920), (956, 267690), (1195, 214152), (1434, 178460), (1912, 133845), (2390, 107076), (2868, 89230), (3585, 71384), (4780, 53538), (5736, 44615), (7170, 35692), (8923, 28680), (9560, 26769), (14340, 17846)]