16990260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{5779}}^1$

素因数の和:5805

約数の個数: 72

約数和(自身を含む): 55349280

約数和(自身を除く): 38359020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 5779, 11558, 17337, 23116, 28895, 34674, 40453, 57790, 69348, 80906, 86685, 115580, 121359, 161812, 173370, 202265, 242718, 283171, 346740, 404530, 485436, 566342, 606795, 809060, 849513, 1132684, 1213590, 1415855, 1699026, 2427180, 2831710, 3398052, 4247565, 5663420, 8495130, 16990260]

約数ペア:

[(1, 16990260), (2, 8495130), (3, 5663420), (4, 4247565), (5, 3398052), (6, 2831710), (7, 2427180), (10, 1699026), (12, 1415855), (14, 1213590), (15, 1132684), (20, 849513), (21, 809060), (28, 606795), (30, 566342), (35, 485436), (42, 404530), (49, 346740), (60, 283171), (70, 242718), (84, 202265), (98, 173370), (105, 161812), (140, 121359), (147, 115580), (196, 86685), (210, 80906), (245, 69348), (294, 57790), (420, 40453), (490, 34674), (588, 28895), (735, 23116), (980, 17337), (1470, 11558), (2940, 5779)]