128376780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{907}}^1$

素因数の和:1263

約数の個数: 96

約数和(自身を含む): 412478976

約数和(自身を除く): 284102196

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 337, 420, 674, 907, 1011, 1348, 1685, 1814, 2022, 2359, 2721, 3370, 3628, 4044, 4535, 4718, 5055, 5442, 6349, 6740, 7077, 9070, 9436, 10110, 10884, 11795, 12698, 13605, 14154, 18140, 19047, 20220, 23590, 25396, 27210, 28308, 31745, 35385, 38094, 47180, 54420, 63490, 70770, 76188, 95235, 126980, 141540, 190470, 305659, 380940, 611318, 916977, 1222636, 1528295, 1833954, 2139613, 3056590, 3667908, 4279226, 4584885, 6113180, 6418839, 8558452, 9169770, 10698065, 12837678, 18339540, 21396130, 25675356, 32094195, 42792260, 64188390, 128376780]

約数ペア:

[(1, 128376780), (2, 64188390), (3, 42792260), (4, 32094195), (5, 25675356), (6, 21396130), (7, 18339540), (10, 12837678), (12, 10698065), (14, 9169770), (15, 8558452), (20, 6418839), (21, 6113180), (28, 4584885), (30, 4279226), (35, 3667908), (42, 3056590), (60, 2139613), (70, 1833954), (84, 1528295), (105, 1222636), (140, 916977), (210, 611318), (337, 380940), (420, 305659), (674, 190470), (907, 141540), (1011, 126980), (1348, 95235), (1685, 76188), (1814, 70770), (2022, 63490), (2359, 54420), (2721, 47180), (3370, 38094), (3628, 35385), (4044, 31745), (4535, 28308), (4718, 27210), (5055, 25396), (5442, 23590), (6349, 20220), (6740, 19047), (7077, 18140), (9070, 14154), (9436, 13605), (10110, 12698), (10884, 11795)]