82888120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{761}}^1$

素因数の和:1168

約数の個数: 64

約数和(自身を含む): 213969600

約数和(自身を除く): 131081480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 389, 761, 778, 1522, 1556, 1945, 2723, 3044, 3112, 3805, 3890, 5327, 5446, 6088, 7610, 7780, 10654, 10892, 13615, 15220, 15560, 21308, 21784, 26635, 27230, 30440, 42616, 53270, 54460, 106540, 108920, 213080, 296029, 592058, 1184116, 1480145, 2072203, 2368232, 2960290, 4144406, 5920580, 8288812, 10361015, 11841160, 16577624, 20722030, 41444060, 82888120]

約数ペア:

[(1, 82888120), (2, 41444060), (4, 20722030), (5, 16577624), (7, 11841160), (8, 10361015), (10, 8288812), (14, 5920580), (20, 4144406), (28, 2960290), (35, 2368232), (40, 2072203), (56, 1480145), (70, 1184116), (140, 592058), (280, 296029), (389, 213080), (761, 108920), (778, 106540), (1522, 54460), (1556, 53270), (1945, 42616), (2723, 30440), (3044, 27230), (3112, 26635), (3805, 21784), (3890, 21308), (5327, 15560), (5446, 15220), (6088, 13615), (7610, 10892), (7780, 10654)]