81326790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2887}}^1$

素因数の和:3213

約数の個数: 48

約数和(自身を含む): 212198688

約数和(自身を除く): 130871898

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 313, 626, 939, 1565, 1878, 2817, 2887, 3130, 4695, 5634, 5774, 8661, 9390, 14085, 14435, 17322, 25983, 28170, 28870, 43305, 51966, 86610, 129915, 259830, 903631, 1807262, 2710893, 4518155, 5421786, 8132679, 9036310, 13554465, 16265358, 27108930, 40663395, 81326790]

約数ペア:

[(1, 81326790), (2, 40663395), (3, 27108930), (5, 16265358), (6, 13554465), (9, 9036310), (10, 8132679), (15, 5421786), (18, 4518155), (30, 2710893), (45, 1807262), (90, 903631), (313, 259830), (626, 129915), (939, 86610), (1565, 51966), (1878, 43305), (2817, 28870), (2887, 28170), (3130, 25983), (4695, 17322), (5634, 14435), (5774, 14085), (8661, 9390)]