210017880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1399}}^1$

素因数の和:1558

約数の個数: 128

約数和(自身を含む): 705600000

約数和(自身を除く): 495582120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 139, 180, 216, 270, 278, 360, 417, 540, 556, 695, 834, 1080, 1112, 1251, 1390, 1399, 1668, 2085, 2502, 2780, 2798, 3336, 3753, 4170, 4197, 5004, 5560, 5596, 6255, 6995, 7506, 8340, 8394, 10008, 11192, 12510, 12591, 13990, 15012, 16680, 16788, 18765, 20985, 25020, 25182, 27980, 30024, 33576, 37530, 37773, 41970, 50040, 50364, 55960, 62955, 75060, 75546, 83940, 100728, 125910, 150120, 151092, 167880, 188865, 194461, 251820, 302184, 377730, 388922, 503640, 583383, 755460, 777844, 972305, 1166766, 1510920, 1555688, 1750149, 1944610, 2333532, 2916915, 3500298, 3889220, 4667064, 5250447, 5833830, 7000596, 7778440, 8750745, 10500894, 11667660, 14001192, 17501490, 21001788, 23335320, 26252235, 35002980, 42003576, 52504470, 70005960, 105008940, 210017880]

約数ペア:

[(1, 210017880), (2, 105008940), (3, 70005960), (4, 52504470), (5, 42003576), (6, 35002980), (8, 26252235), (9, 23335320), (10, 21001788), (12, 17501490), (15, 14001192), (18, 11667660), (20, 10500894), (24, 8750745), (27, 7778440), (30, 7000596), (36, 5833830), (40, 5250447), (45, 4667064), (54, 3889220), (60, 3500298), (72, 2916915), (90, 2333532), (108, 1944610), (120, 1750149), (135, 1555688), (139, 1510920), (180, 1166766), (216, 972305), (270, 777844), (278, 755460), (360, 583383), (417, 503640), (540, 388922), (556, 377730), (695, 302184), (834, 251820), (1080, 194461), (1112, 188865), (1251, 167880), (1390, 151092), (1399, 150120), (1668, 125910), (2085, 100728), (2502, 83940), (2780, 75546), (2798, 75060), (3336, 62955), (3753, 55960), (4170, 50364), (4197, 50040), (5004, 41970), (5560, 37773), (5596, 37530), (6255, 33576), (6995, 30024), (7506, 27980), (8340, 25182), (8394, 25020), (10008, 20985), (11192, 18765), (12510, 16788), (12591, 16680), (13990, 15012)]