81915516

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:656

約数の個数: 96

約数和(自身を含む): 224716800

約数和(自身を除く): 142801284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 43, 54, 62, 86, 93, 108, 124, 129, 172, 186, 258, 279, 372, 387, 516, 558, 569, 774, 837, 1116, 1138, 1161, 1333, 1548, 1674, 1707, 2276, 2322, 2666, 3348, 3414, 3999, 4644, 5121, 5332, 6828, 7998, 10242, 11997, 15363, 15996, 17639, 20484, 23994, 24467, 30726, 35278, 35991, 47988, 48934, 52917, 61452, 70556, 71982, 73401, 97868, 105834, 143964, 146802, 158751, 211668, 220203, 293604, 317502, 440406, 476253, 635004, 660609, 758477, 880812, 952506, 1321218, 1516954, 1905012, 2275431, 2642436, 3033908, 4550862, 6826293, 9101724, 13652586, 20478879, 27305172, 40957758, 81915516]

約数ペア:

[(1, 81915516), (2, 40957758), (3, 27305172), (4, 20478879), (6, 13652586), (9, 9101724), (12, 6826293), (18, 4550862), (27, 3033908), (31, 2642436), (36, 2275431), (43, 1905012), (54, 1516954), (62, 1321218), (86, 952506), (93, 880812), (108, 758477), (124, 660609), (129, 635004), (172, 476253), (186, 440406), (258, 317502), (279, 293604), (372, 220203), (387, 211668), (516, 158751), (558, 146802), (569, 143964), (774, 105834), (837, 97868), (1116, 73401), (1138, 71982), (1161, 70556), (1333, 61452), (1548, 52917), (1674, 48934), (1707, 47988), (2276, 35991), (2322, 35278), (2666, 30726), (3348, 24467), (3414, 23994), (3999, 20484), (4644, 17639), (5121, 15996), (5332, 15363), (6828, 11997), (7998, 10242)]