307870160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{761}}^1$

素因数の和:1176

約数の個数: 80

約数和(自身を含む): 773856720

約数和(自身を除く): 465986560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 389, 520, 761, 778, 1040, 1522, 1556, 1945, 3044, 3112, 3805, 3890, 5057, 6088, 6224, 7610, 7780, 9893, 10114, 12176, 15220, 15560, 19786, 20228, 25285, 30440, 31120, 39572, 40456, 49465, 50570, 60880, 79144, 80912, 98930, 101140, 158288, 197860, 202280, 296029, 395720, 404560, 592058, 791440, 1184116, 1480145, 2368232, 2960290, 3848377, 4736464, 5920580, 7696754, 11841160, 15393508, 19241885, 23682320, 30787016, 38483770, 61574032, 76967540, 153935080, 307870160]

約数ペア:

[(1, 307870160), (2, 153935080), (4, 76967540), (5, 61574032), (8, 38483770), (10, 30787016), (13, 23682320), (16, 19241885), (20, 15393508), (26, 11841160), (40, 7696754), (52, 5920580), (65, 4736464), (80, 3848377), (104, 2960290), (130, 2368232), (208, 1480145), (260, 1184116), (389, 791440), (520, 592058), (761, 404560), (778, 395720), (1040, 296029), (1522, 202280), (1556, 197860), (1945, 158288), (3044, 101140), (3112, 98930), (3805, 80912), (3890, 79144), (5057, 60880), (6088, 50570), (6224, 49465), (7610, 40456), (7780, 39572), (9893, 31120), (10114, 30440), (12176, 25285), (15220, 20228), (15560, 19786)]