207647680

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:446

約数の個数: 112

約数和(自身を含む): 523402560

約数和(自身を除く): 315754880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 89, 92, 115, 160, 178, 184, 230, 317, 320, 356, 368, 445, 460, 634, 712, 736, 890, 920, 1268, 1424, 1472, 1585, 1780, 1840, 2047, 2536, 2848, 3170, 3560, 3680, 4094, 5072, 5696, 6340, 7120, 7291, 7360, 8188, 10144, 10235, 12680, 14240, 14582, 16376, 20288, 20470, 25360, 28213, 28480, 29164, 32752, 36455, 40940, 50720, 56426, 58328, 65504, 72910, 81880, 101440, 112852, 116656, 131008, 141065, 145820, 163760, 225704, 233312, 282130, 291640, 327520, 451408, 466624, 564260, 583280, 648899, 655040, 902816, 1128520, 1166560, 1297798, 1805632, 2257040, 2333120, 2595596, 3244495, 4514080, 5191192, 6488990, 9028160, 10382384, 12977980, 20764768, 25955960, 41529536, 51911920, 103823840, 207647680]

約数ペア:

[(1, 207647680), (2, 103823840), (4, 51911920), (5, 41529536), (8, 25955960), (10, 20764768), (16, 12977980), (20, 10382384), (23, 9028160), (32, 6488990), (40, 5191192), (46, 4514080), (64, 3244495), (80, 2595596), (89, 2333120), (92, 2257040), (115, 1805632), (160, 1297798), (178, 1166560), (184, 1128520), (230, 902816), (317, 655040), (320, 648899), (356, 583280), (368, 564260), (445, 466624), (460, 451408), (634, 327520), (712, 291640), (736, 282130), (890, 233312), (920, 225704), (1268, 163760), (1424, 145820), (1472, 141065), (1585, 131008), (1780, 116656), (1840, 112852), (2047, 101440), (2536, 81880), (2848, 72910), (3170, 65504), (3560, 58328), (3680, 56426), (4094, 50720), (5072, 40940), (5696, 36455), (6340, 32752), (7120, 29164), (7291, 28480), (7360, 28213), (8188, 25360), (10144, 20470), (10235, 20288), (12680, 16376), (14240, 14582)]