31262720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 77837760

約数和(自身を除く): 46575040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 71, 80, 86, 128, 142, 160, 172, 215, 256, 284, 320, 344, 355, 430, 512, 568, 640, 688, 710, 860, 1024, 1136, 1280, 1376, 1420, 1720, 2048, 2272, 2560, 2752, 2840, 3053, 3440, 4544, 5120, 5504, 5680, 6106, 6880, 9088, 10240, 11008, 11360, 12212, 13760, 15265, 18176, 22016, 22720, 24424, 27520, 30530, 36352, 44032, 45440, 48848, 55040, 61060, 72704, 88064, 90880, 97696, 110080, 122120, 145408, 181760, 195392, 220160, 244240, 363520, 390784, 440320, 488480, 727040, 781568, 976960, 1563136, 1953920, 3126272, 3907840, 6252544, 7815680, 15631360, 31262720]

約数ペア:

[(1, 31262720), (2, 15631360), (4, 7815680), (5, 6252544), (8, 3907840), (10, 3126272), (16, 1953920), (20, 1563136), (32, 976960), (40, 781568), (43, 727040), (64, 488480), (71, 440320), (80, 390784), (86, 363520), (128, 244240), (142, 220160), (160, 195392), (172, 181760), (215, 145408), (256, 122120), (284, 110080), (320, 97696), (344, 90880), (355, 88064), (430, 72704), (512, 61060), (568, 55040), (640, 48848), (688, 45440), (710, 44032), (860, 36352), (1024, 30530), (1136, 27520), (1280, 24424), (1376, 22720), (1420, 22016), (1720, 18176), (2048, 15265), (2272, 13760), (2560, 12212), (2752, 11360), (2840, 11008), (3053, 10240), (3440, 9088), (4544, 6880), (5120, 6106), (5504, 5680)]