6990660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:633

約数の個数: 72

約数和(自身を含む): 21542976

約数和(自身を除く): 14552316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 547, 639, 710, 852, 1065, 1094, 1278, 1420, 1641, 2130, 2188, 2556, 2735, 3195, 3282, 4260, 4923, 5470, 6390, 6564, 8205, 9846, 10940, 12780, 16410, 19692, 24615, 32820, 38837, 49230, 77674, 98460, 116511, 155348, 194185, 233022, 349533, 388370, 466044, 582555, 699066, 776740, 1165110, 1398132, 1747665, 2330220, 3495330, 6990660]

約数ペア:

[(1, 6990660), (2, 3495330), (3, 2330220), (4, 1747665), (5, 1398132), (6, 1165110), (9, 776740), (10, 699066), (12, 582555), (15, 466044), (18, 388370), (20, 349533), (30, 233022), (36, 194185), (45, 155348), (60, 116511), (71, 98460), (90, 77674), (142, 49230), (180, 38837), (213, 32820), (284, 24615), (355, 19692), (426, 16410), (547, 12780), (639, 10940), (710, 9846), (852, 8205), (1065, 6564), (1094, 6390), (1278, 5470), (1420, 4923), (1641, 4260), (2130, 3282), (2188, 3195), (2556, 2735)]