1285207980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{11047}}^1$

素因数の和:11343

約数の個数: 96

約数和(自身を含む): 4127886336

約数和(自身を除く): 2842678356

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, 277, 420, 554, 831, 1108, 1385, 1662, 1939, 2770, 3324, 3878, 4155, 5540, 5817, 7756, 8310, 9695, 11047, 11634, 16620, 19390, 22094, 23268, 29085, 33141, 38780, 44188, 55235, 58170, 66282, 77329, 110470, 116340, 132564, 154658, 165705, 220940, 231987, 309316, 331410, 386645, 463974, 662820, 773290, 927948, 1159935, 1546580, 2319870, 3060019, 4639740, 6120038, 9180057, 12240076, 15300095, 18360114, 21420133, 30600190, 36720228, 42840266, 45900285, 61200380, 64260399, 85680532, 91800570, 107100665, 128520798, 183601140, 214201330, 257041596, 321301995, 428402660, 642603990, 1285207980]

約数ペア:

[(1, 1285207980), (2, 642603990), (3, 428402660), (4, 321301995), (5, 257041596), (6, 214201330), (7, 183601140), (10, 128520798), (12, 107100665), (14, 91800570), (15, 85680532), (20, 64260399), (21, 61200380), (28, 45900285), (30, 42840266), (35, 36720228), (42, 30600190), (60, 21420133), (70, 18360114), (84, 15300095), (105, 12240076), (140, 9180057), (210, 6120038), (277, 4639740), (420, 3060019), (554, 2319870), (831, 1546580), (1108, 1159935), (1385, 927948), (1662, 773290), (1939, 662820), (2770, 463974), (3324, 386645), (3878, 331410), (4155, 309316), (5540, 231987), (5817, 220940), (7756, 165705), (8310, 154658), (9695, 132564), (11047, 116340), (11634, 110470), (16620, 77329), (19390, 66282), (22094, 58170), (23268, 55235), (29085, 44188), (33141, 38780)]