128146040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1283}}^1$

素因数の和:1532

約数の個数: 64

約数和(自身を含む): 316172160

約数和(自身を除く): 188026120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 227, 440, 454, 908, 1135, 1283, 1816, 2270, 2497, 2566, 4540, 4994, 5132, 6415, 9080, 9988, 10264, 12485, 12830, 14113, 19976, 24970, 25660, 28226, 49940, 51320, 56452, 70565, 99880, 112904, 141130, 282260, 291241, 564520, 582482, 1164964, 1456205, 2329928, 2912410, 3203651, 5824820, 6407302, 11649640, 12814604, 16018255, 25629208, 32036510, 64073020, 128146040]

約数ペア:

[(1, 128146040), (2, 64073020), (4, 32036510), (5, 25629208), (8, 16018255), (10, 12814604), (11, 11649640), (20, 6407302), (22, 5824820), (40, 3203651), (44, 2912410), (55, 2329928), (88, 1456205), (110, 1164964), (220, 582482), (227, 564520), (440, 291241), (454, 282260), (908, 141130), (1135, 112904), (1283, 99880), (1816, 70565), (2270, 56452), (2497, 51320), (2566, 49940), (4540, 28226), (4994, 25660), (5132, 24970), (6415, 19976), (9080, 14113), (9988, 12830), (10264, 12485)]