81487710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:322

約数の個数: 96

約数和(自身を含む): 218874240

約数和(自身を除く): 137386530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 73, 79, 90, 146, 157, 158, 219, 237, 314, 365, 395, 438, 471, 474, 657, 711, 730, 785, 790, 942, 1095, 1185, 1314, 1413, 1422, 1570, 2190, 2355, 2370, 2826, 3285, 3555, 4710, 5767, 6570, 7065, 7110, 11461, 11534, 12403, 14130, 17301, 22922, 24806, 28835, 34383, 34602, 37209, 51903, 57305, 57670, 62015, 68766, 74418, 86505, 103149, 103806, 111627, 114610, 124030, 171915, 173010, 186045, 206298, 223254, 259515, 343830, 372090, 515745, 519030, 558135, 905419, 1031490, 1116270, 1810838, 2716257, 4527095, 5432514, 8148771, 9054190, 13581285, 16297542, 27162570, 40743855, 81487710]

約数ペア:

[(1, 81487710), (2, 40743855), (3, 27162570), (5, 16297542), (6, 13581285), (9, 9054190), (10, 8148771), (15, 5432514), (18, 4527095), (30, 2716257), (45, 1810838), (73, 1116270), (79, 1031490), (90, 905419), (146, 558135), (157, 519030), (158, 515745), (219, 372090), (237, 343830), (314, 259515), (365, 223254), (395, 206298), (438, 186045), (471, 173010), (474, 171915), (657, 124030), (711, 114610), (730, 111627), (785, 103806), (790, 103149), (942, 86505), (1095, 74418), (1185, 68766), (1314, 62015), (1413, 57670), (1422, 57305), (1570, 51903), (2190, 37209), (2355, 34602), (2370, 34383), (2826, 28835), (3285, 24806), (3555, 22922), (4710, 17301), (5767, 14130), (6570, 12403), (7065, 11534), (7110, 11461)]