1305014920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{5827}}^1$

素因数の和:6358

約数の個数: 64

約数和(自身を含む): 3210062400

約数和(自身を除く): 1905047480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 509, 1018, 2036, 2545, 4072, 5090, 5599, 5827, 10180, 11198, 11654, 20360, 22396, 23308, 27995, 29135, 44792, 46616, 55990, 58270, 64097, 111980, 116540, 128194, 223960, 233080, 256388, 320485, 512776, 640970, 1281940, 2563880, 2965943, 5931886, 11863772, 14829715, 23727544, 29659430, 32625373, 59318860, 65250746, 118637720, 130501492, 163126865, 261002984, 326253730, 652507460, 1305014920]

約数ペア:

[(1, 1305014920), (2, 652507460), (4, 326253730), (5, 261002984), (8, 163126865), (10, 130501492), (11, 118637720), (20, 65250746), (22, 59318860), (40, 32625373), (44, 29659430), (55, 23727544), (88, 14829715), (110, 11863772), (220, 5931886), (440, 2965943), (509, 2563880), (1018, 1281940), (2036, 640970), (2545, 512776), (4072, 320485), (5090, 256388), (5599, 233080), (5827, 223960), (10180, 128194), (11198, 116540), (11654, 111980), (20360, 64097), (22396, 58270), (23308, 55990), (27995, 46616), (29135, 44792)]