63990880

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 158070528

約数和(自身を除く): 94079648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 71, 80, 86, 131, 142, 160, 172, 215, 262, 284, 344, 355, 430, 524, 568, 655, 688, 710, 860, 1048, 1136, 1310, 1376, 1420, 1720, 2096, 2272, 2620, 2840, 3053, 3440, 4192, 5240, 5633, 5680, 6106, 6880, 9301, 10480, 11266, 11360, 12212, 15265, 18602, 20960, 22532, 24424, 28165, 30530, 37204, 45064, 46505, 48848, 56330, 61060, 74408, 90128, 93010, 97696, 112660, 122120, 148816, 180256, 186020, 225320, 244240, 297632, 372040, 399943, 450640, 488480, 744080, 799886, 901280, 1488160, 1599772, 1999715, 3199544, 3999430, 6399088, 7998860, 12798176, 15997720, 31995440, 63990880]

約数ペア:

[(1, 63990880), (2, 31995440), (4, 15997720), (5, 12798176), (8, 7998860), (10, 6399088), (16, 3999430), (20, 3199544), (32, 1999715), (40, 1599772), (43, 1488160), (71, 901280), (80, 799886), (86, 744080), (131, 488480), (142, 450640), (160, 399943), (172, 372040), (215, 297632), (262, 244240), (284, 225320), (344, 186020), (355, 180256), (430, 148816), (524, 122120), (568, 112660), (655, 97696), (688, 93010), (710, 90128), (860, 74408), (1048, 61060), (1136, 56330), (1310, 48848), (1376, 46505), (1420, 45064), (1720, 37204), (2096, 30530), (2272, 28165), (2620, 24424), (2840, 22532), (3053, 20960), (3440, 18602), (4192, 15265), (5240, 12212), (5633, 11360), (5680, 11266), (6106, 10480), (6880, 9301)]