8271742720

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{340121}}^1$

素因数の和:340161

約数の個数: 72

約数和(自身を含む): 20856281040

約数和(自身を除く): 12584538320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 4864, 6080, 12160, 24320, 340121, 680242, 1360484, 1700605, 2720968, 3401210, 5441936, 6462299, 6802420, 10883872, 12924598, 13604840, 21767744, 25849196, 27209680, 32311495, 43535488, 51698392, 54419360, 64622990, 87070976, 103396784, 108838720, 129245980, 206793568, 217677440, 258491960, 413587136, 435354880, 516983920, 827174272, 1033967840, 1654348544, 2067935680, 4135871360, 8271742720]

約数ペア:

[(1, 8271742720), (2, 4135871360), (4, 2067935680), (5, 1654348544), (8, 1033967840), (10, 827174272), (16, 516983920), (19, 435354880), (20, 413587136), (32, 258491960), (38, 217677440), (40, 206793568), (64, 129245980), (76, 108838720), (80, 103396784), (95, 87070976), (128, 64622990), (152, 54419360), (160, 51698392), (190, 43535488), (256, 32311495), (304, 27209680), (320, 25849196), (380, 21767744), (608, 13604840), (640, 12924598), (760, 10883872), (1216, 6802420), (1280, 6462299), (1520, 5441936), (2432, 3401210), (3040, 2720968), (4864, 1700605), (6080, 1360484), (12160, 680242), (24320, 340121)]