28376640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:249

約数の個数: 168

約数和(自身を含む): 99852480

約数和(自身を除く): 71475840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 59, 60, 64, 72, 80, 90, 96, 118, 120, 144, 160, 167, 177, 180, 192, 236, 240, 288, 295, 320, 334, 354, 360, 472, 480, 501, 531, 576, 590, 668, 708, 720, 835, 885, 944, 960, 1002, 1062, 1180, 1336, 1416, 1440, 1503, 1670, 1770, 1888, 2004, 2124, 2360, 2505, 2655, 2672, 2832, 2880, 3006, 3340, 3540, 3776, 4008, 4248, 4720, 5010, 5310, 5344, 5664, 6012, 6680, 7080, 7515, 8016, 8496, 9440, 9853, 10020, 10620, 10688, 11328, 12024, 13360, 14160, 15030, 16032, 16992, 18880, 19706, 20040, 21240, 24048, 26720, 28320, 29559, 30060, 32064, 33984, 39412, 40080, 42480, 48096, 49265, 53440, 56640, 59118, 60120, 78824, 80160, 84960, 88677, 96192, 98530, 118236, 120240, 147795, 157648, 160320, 169920, 177354, 197060, 236472, 240480, 295590, 315296, 354708, 394120, 443385, 472944, 480960, 591180, 630592, 709416, 788240, 886770, 945888, 1182360, 1418832, 1576480, 1773540, 1891776, 2364720, 2837664, 3152960, 3547080, 4729440, 5675328, 7094160, 9458880, 14188320, 28376640]

約数ペア:

[(1, 28376640), (2, 14188320), (3, 9458880), (4, 7094160), (5, 5675328), (6, 4729440), (8, 3547080), (9, 3152960), (10, 2837664), (12, 2364720), (15, 1891776), (16, 1773540), (18, 1576480), (20, 1418832), (24, 1182360), (30, 945888), (32, 886770), (36, 788240), (40, 709416), (45, 630592), (48, 591180), (59, 480960), (60, 472944), (64, 443385), (72, 394120), (80, 354708), (90, 315296), (96, 295590), (118, 240480), (120, 236472), (144, 197060), (160, 177354), (167, 169920), (177, 160320), (180, 157648), (192, 147795), (236, 120240), (240, 118236), (288, 98530), (295, 96192), (320, 88677), (334, 84960), (354, 80160), (360, 78824), (472, 60120), (480, 59118), (501, 56640), (531, 53440), (576, 49265), (590, 48096), (668, 42480), (708, 40080), (720, 39412), (835, 33984), (885, 32064), (944, 30060), (960, 29559), (1002, 28320), (1062, 26720), (1180, 24048), (1336, 21240), (1416, 20040), (1440, 19706), (1503, 18880), (1670, 16992), (1770, 16032), (1888, 15030), (2004, 14160), (2124, 13360), (2360, 12024), (2505, 11328), (2655, 10688), (2672, 10620), (2832, 10020), (2880, 9853), (3006, 9440), (3340, 8496), (3540, 8016), (3776, 7515), (4008, 7080), (4248, 6680), (4720, 6012), (5010, 5664), (5310, 5344)]