74720178

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{653}}^1$

素因数の和:840

約数の個数: 64

約数和(自身を含む): 180190080

約数和(自身を除く): 105469902

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 163, 234, 326, 351, 489, 653, 702, 978, 1306, 1467, 1959, 2119, 2934, 3918, 4238, 4401, 5877, 6357, 8489, 8802, 11754, 12714, 16978, 17631, 19071, 25467, 35262, 38142, 50934, 57213, 76401, 106439, 114426, 152802, 212878, 229203, 319317, 458406, 638634, 957951, 1383707, 1915902, 2767414, 2873853, 4151121, 5747706, 8302242, 12453363, 24906726, 37360089, 74720178]

約数ペア:

[(1, 74720178), (2, 37360089), (3, 24906726), (6, 12453363), (9, 8302242), (13, 5747706), (18, 4151121), (26, 2873853), (27, 2767414), (39, 1915902), (54, 1383707), (78, 957951), (117, 638634), (163, 458406), (234, 319317), (326, 229203), (351, 212878), (489, 152802), (653, 114426), (702, 106439), (978, 76401), (1306, 57213), (1467, 50934), (1959, 38142), (2119, 35262), (2934, 25467), (3918, 19071), (4238, 17631), (4401, 16978), (5877, 12714), (6357, 11754), (8489, 8802)]