28145220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10909}}^1$

素因数の和:10964

約数の個数: 48

約数和(自身を含む): 80646720

約数和(自身を除く): 52501500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 10909, 21818, 32727, 43636, 54545, 65454, 109090, 130908, 163635, 218180, 327270, 469087, 654540, 938174, 1407261, 1876348, 2345435, 2814522, 4690870, 5629044, 7036305, 9381740, 14072610, 28145220]

約数ペア:

[(1, 28145220), (2, 14072610), (3, 9381740), (4, 7036305), (5, 5629044), (6, 4690870), (10, 2814522), (12, 2345435), (15, 1876348), (20, 1407261), (30, 938174), (43, 654540), (60, 469087), (86, 327270), (129, 218180), (172, 163635), (215, 130908), (258, 109090), (430, 65454), (516, 54545), (645, 43636), (860, 32727), (1290, 21818), (2580, 10909)]