28203840

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{1399}}^1$

素因数の和:1429

約数の個数: 168

約数和(自身を含む): 110947200

約数和(自身を除く): 82743360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1399, 1440, 1680, 2016, 2240, 2520, 2798, 2880, 3360, 4032, 4197, 5040, 5596, 6720, 6995, 8394, 9793, 10080, 11192, 12591, 13990, 16788, 19586, 20160, 20985, 22384, 25182, 27980, 29379, 33576, 39172, 41970, 44768, 48965, 50364, 55960, 58758, 62955, 67152, 78344, 83940, 88137, 89536, 97930, 100728, 111920, 117516, 125910, 134304, 146895, 156688, 167880, 176274, 195860, 201456, 223840, 235032, 251820, 268608, 293790, 313376, 335760, 352548, 391720, 402912, 440685, 447680, 470064, 503640, 587580, 626752, 671520, 705096, 783440, 805824, 881370, 940128, 1007280, 1175160, 1343040, 1410192, 1566880, 1762740, 1880256, 2014560, 2350320, 2820384, 3133760, 3525480, 4029120, 4700640, 5640768, 7050960, 9401280, 14101920, 28203840]

約数ペア:

[(1, 28203840), (2, 14101920), (3, 9401280), (4, 7050960), (5, 5640768), (6, 4700640), (7, 4029120), (8, 3525480), (9, 3133760), (10, 2820384), (12, 2350320), (14, 2014560), (15, 1880256), (16, 1762740), (18, 1566880), (20, 1410192), (21, 1343040), (24, 1175160), (28, 1007280), (30, 940128), (32, 881370), (35, 805824), (36, 783440), (40, 705096), (42, 671520), (45, 626752), (48, 587580), (56, 503640), (60, 470064), (63, 447680), (64, 440685), (70, 402912), (72, 391720), (80, 352548), (84, 335760), (90, 313376), (96, 293790), (105, 268608), (112, 251820), (120, 235032), (126, 223840), (140, 201456), (144, 195860), (160, 176274), (168, 167880), (180, 156688), (192, 146895), (210, 134304), (224, 125910), (240, 117516), (252, 111920), (280, 100728), (288, 97930), (315, 89536), (320, 88137), (336, 83940), (360, 78344), (420, 67152), (448, 62955), (480, 58758), (504, 55960), (560, 50364), (576, 48965), (630, 44768), (672, 41970), (720, 39172), (840, 33576), (960, 29379), (1008, 27980), (1120, 25182), (1260, 22384), (1344, 20985), (1399, 20160), (1440, 19586), (1680, 16788), (2016, 13990), (2240, 12591), (2520, 11192), (2798, 10080), (2880, 9793), (3360, 8394), (4032, 6995), (4197, 6720), (5040, 5596)]