280023840

素因数分解:

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

素因数の和:1559

約数の個数: 144

約数和(自身を含む): 963144000

約数和(自身を除く): 683120160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 139, 144, 160, 180, 240, 278, 288, 360, 417, 480, 556, 695, 720, 834, 1112, 1251, 1390, 1399, 1440, 1668, 2085, 2224, 2502, 2780, 2798, 3336, 4170, 4197, 4448, 5004, 5560, 5596, 6255, 6672, 6995, 8340, 8394, 10008, 11120, 11192, 12510, 12591, 13344, 13990, 16680, 16788, 20016, 20985, 22240, 22384, 25020, 25182, 27980, 33360, 33576, 40032, 41970, 44768, 50040, 50364, 55960, 62955, 66720, 67152, 83940, 100080, 100728, 111920, 125910, 134304, 167880, 194461, 200160, 201456, 223840, 251820, 335760, 388922, 402912, 503640, 583383, 671520, 777844, 972305, 1007280, 1166766, 1555688, 1750149, 1944610, 2014560, 2333532, 2916915, 3111376, 3500298, 3889220, 4667064, 5833830, 6222752, 7000596, 7778440, 8750745, 9334128, 11667660, 14001192, 15556880, 17501490, 18668256, 23335320, 28002384, 31113760, 35002980, 46670640, 56004768, 70005960, 93341280, 140011920, 280023840]

約数ペア:

[(1, 280023840), (2, 140011920), (3, 93341280), (4, 70005960), (5, 56004768), (6, 46670640), (8, 35002980), (9, 31113760), (10, 28002384), (12, 23335320), (15, 18668256), (16, 17501490), (18, 15556880), (20, 14001192), (24, 11667660), (30, 9334128), (32, 8750745), (36, 7778440), (40, 7000596), (45, 6222752), (48, 5833830), (60, 4667064), (72, 3889220), (80, 3500298), (90, 3111376), (96, 2916915), (120, 2333532), (139, 2014560), (144, 1944610), (160, 1750149), (180, 1555688), (240, 1166766), (278, 1007280), (288, 972305), (360, 777844), (417, 671520), (480, 583383), (556, 503640), (695, 402912), (720, 388922), (834, 335760), (1112, 251820), (1251, 223840), (1390, 201456), (1399, 200160), (1440, 194461), (1668, 167880), (2085, 134304), (2224, 125910), (2502, 111920), (2780, 100728), (2798, 100080), (3336, 83940), (4170, 67152), (4197, 66720), (4448, 62955), (5004, 55960), (5560, 50364), (5596, 50040), (6255, 44768), (6672, 41970), (6995, 40032), (8340, 33576), (8394, 33360), (10008, 27980), (11120, 25182), (11192, 25020), (12510, 22384), (12591, 22240), (13344, 20985), (13990, 20016), (16680, 16788)]