66400880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1303}}^1$

素因数の和:1343

約数の個数: 120

約数和(自身を含む): 193550112

約数和(自身を除く): 127149232

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1274, 1303, 1456, 1820, 1960, 2548, 2606, 3185, 3640, 3920, 5096, 5212, 6370, 6515, 7280, 9121, 10192, 10424, 12740, 13030, 16939, 18242, 20848, 25480, 26060, 33878, 36484, 45605, 50960, 52120, 63847, 67756, 72968, 84695, 91210, 104240, 118573, 127694, 135512, 145936, 169390, 182420, 237146, 255388, 271024, 319235, 338780, 364840, 474292, 510776, 592865, 638470, 677560, 729680, 830011, 948584, 1021552, 1185730, 1276940, 1355120, 1660022, 1897168, 2371460, 2553880, 3320044, 4150055, 4742920, 5107760, 6640088, 8300110, 9485840, 13280176, 16600220, 33200440, 66400880]

約数ペア:

[(1, 66400880), (2, 33200440), (4, 16600220), (5, 13280176), (7, 9485840), (8, 8300110), (10, 6640088), (13, 5107760), (14, 4742920), (16, 4150055), (20, 3320044), (26, 2553880), (28, 2371460), (35, 1897168), (40, 1660022), (49, 1355120), (52, 1276940), (56, 1185730), (65, 1021552), (70, 948584), (80, 830011), (91, 729680), (98, 677560), (104, 638470), (112, 592865), (130, 510776), (140, 474292), (182, 364840), (196, 338780), (208, 319235), (245, 271024), (260, 255388), (280, 237146), (364, 182420), (392, 169390), (455, 145936), (490, 135512), (520, 127694), (560, 118573), (637, 104240), (728, 91210), (784, 84695), (910, 72968), (980, 67756), (1040, 63847), (1274, 52120), (1303, 50960), (1456, 45605), (1820, 36484), (1960, 33878), (2548, 26060), (2606, 25480), (3185, 20848), (3640, 18242), (3920, 16939), (5096, 13030), (5212, 12740), (6370, 10424), (6515, 10192), (7280, 9121)]