81432190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1367}}^1$

素因数の和:1441

約数の個数: 64

約数和(自身を含む): 179656704

約数和(自身を除く): 98224514

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 37, 46, 70, 74, 115, 161, 185, 230, 259, 322, 370, 518, 805, 851, 1295, 1367, 1610, 1702, 2590, 2734, 4255, 5957, 6835, 8510, 9569, 11914, 13670, 19138, 29785, 31441, 47845, 50579, 59570, 62882, 95690, 101158, 157205, 220087, 252895, 314410, 354053, 440174, 505790, 708106, 1100435, 1163317, 1770265, 2200870, 2326634, 3540530, 5816585, 8143219, 11633170, 16286438, 40716095, 81432190]

約数ペア:

[(1, 81432190), (2, 40716095), (5, 16286438), (7, 11633170), (10, 8143219), (14, 5816585), (23, 3540530), (35, 2326634), (37, 2200870), (46, 1770265), (70, 1163317), (74, 1100435), (115, 708106), (161, 505790), (185, 440174), (230, 354053), (259, 314410), (322, 252895), (370, 220087), (518, 157205), (805, 101158), (851, 95690), (1295, 62882), (1367, 59570), (1610, 50579), (1702, 47845), (2590, 31441), (2734, 29785), (4255, 19138), (5957, 13670), (6835, 11914), (8510, 9569)]