8390340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{6659}}^1$

素因数の和:6681

約数の個数: 72

約数和(自身を含む): 29090880

約数和(自身を除く): 20700540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 6659, 13318, 19977, 26636, 33295, 39954, 46613, 59931, 66590, 79908, 93226, 99885, 119862, 133180, 139839, 186452, 199770, 233065, 239724, 279678, 299655, 399540, 419517, 466130, 559356, 599310, 699195, 839034, 932260, 1198620, 1398390, 1678068, 2097585, 2796780, 4195170, 8390340]

約数ペア:

[(1, 8390340), (2, 4195170), (3, 2796780), (4, 2097585), (5, 1678068), (6, 1398390), (7, 1198620), (9, 932260), (10, 839034), (12, 699195), (14, 599310), (15, 559356), (18, 466130), (20, 419517), (21, 399540), (28, 299655), (30, 279678), (35, 239724), (36, 233065), (42, 199770), (45, 186452), (60, 139839), (63, 133180), (70, 119862), (84, 99885), (90, 93226), (105, 79908), (126, 66590), (140, 59931), (180, 46613), (210, 39954), (252, 33295), (315, 26636), (420, 19977), (630, 13318), (1260, 6659)]