78246870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{641}}^1$

素因数の和:977

約数の個数: 64

約数和(自身を含む): 203200704

約数和(自身を除く): 124953834

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 313, 390, 626, 641, 939, 1282, 1565, 1878, 1923, 3130, 3205, 3846, 4069, 4695, 6410, 8138, 8333, 9390, 9615, 12207, 16666, 19230, 20345, 24414, 24999, 40690, 41665, 49998, 61035, 83330, 122070, 124995, 200633, 249990, 401266, 601899, 1003165, 1203798, 2006330, 2608229, 3009495, 5216458, 6018990, 7824687, 13041145, 15649374, 26082290, 39123435, 78246870]

約数ペア:

[(1, 78246870), (2, 39123435), (3, 26082290), (5, 15649374), (6, 13041145), (10, 7824687), (13, 6018990), (15, 5216458), (26, 3009495), (30, 2608229), (39, 2006330), (65, 1203798), (78, 1003165), (130, 601899), (195, 401266), (313, 249990), (390, 200633), (626, 124995), (641, 122070), (939, 83330), (1282, 61035), (1565, 49998), (1878, 41665), (1923, 40690), (3130, 24999), (3205, 24414), (3846, 20345), (4069, 19230), (4695, 16666), (6410, 12207), (8138, 9615), (8333, 9390)]