1920856980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1979}}^1\times {\mathrm{2311}}^1$

素因数の和:4309

約数の個数: 96

約数和(自身を含む): 6152509440

約数和(自身を除く): 4231652460

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, 420, 1979, 2311, 3958, 4622, 5937, 6933, 7916, 9244, 9895, 11555, 11874, 13853, 13866, 16177, 19790, 23110, 23748, 27706, 27732, 29685, 32354, 34665, 39580, 41559, 46220, 48531, 55412, 59370, 64708, 69265, 69330, 80885, 83118, 97062, 118740, 138530, 138660, 161770, 166236, 194124, 207795, 242655, 277060, 323540, 415590, 485310, 831180, 970620, 4573469, 9146938, 13720407, 18293876, 22867345, 27440814, 32014283, 45734690, 54881628, 64028566, 68602035, 91469380, 96042849, 128057132, 137204070, 160071415, 192085698, 274408140, 320142830, 384171396, 480214245, 640285660, 960428490, 1920856980]

約数ペア:

[(1, 1920856980), (2, 960428490), (3, 640285660), (4, 480214245), (5, 384171396), (6, 320142830), (7, 274408140), (10, 192085698), (12, 160071415), (14, 137204070), (15, 128057132), (20, 96042849), (21, 91469380), (28, 68602035), (30, 64028566), (35, 54881628), (42, 45734690), (60, 32014283), (70, 27440814), (84, 22867345), (105, 18293876), (140, 13720407), (210, 9146938), (420, 4573469), (1979, 970620), (2311, 831180), (3958, 485310), (4622, 415590), (5937, 323540), (6933, 277060), (7916, 242655), (9244, 207795), (9895, 194124), (11555, 166236), (11874, 161770), (13853, 138660), (13866, 138530), (16177, 118740), (19790, 97062), (23110, 83118), (23748, 80885), (27706, 69330), (27732, 69265), (29685, 64708), (32354, 59370), (34665, 55412), (39580, 48531), (41559, 46220)]