1978297920

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1399}}^1$

素因数の和:1913

約数の個数: 168

約数和(自身を含む): 6823252800

約数和(自身を除く): 4844954880

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, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 491, 576, 720, 960, 982, 1399, 1440, 1473, 1964, 2455, 2798, 2880, 2946, 3928, 4197, 4419, 4910, 5596, 5892, 6995, 7365, 7856, 8394, 8838, 9820, 11192, 11784, 12591, 13990, 14730, 15712, 16788, 17676, 19640, 20985, 22095, 22384, 23568, 25182, 27980, 29460, 31424, 33576, 35352, 39280, 41970, 44190, 44768, 47136, 50364, 55960, 58920, 62955, 67152, 70704, 78560, 83940, 88380, 89536, 94272, 100728, 111920, 117840, 125910, 134304, 141408, 157120, 167880, 176760, 201456, 223840, 235680, 251820, 268608, 282816, 335760, 353520, 402912, 447680, 471360, 503640, 671520, 686909, 707040, 805824, 1007280, 1343040, 1373818, 1414080, 2014560, 2060727, 2747636, 3434545, 4029120, 4121454, 5495272, 6182181, 6869090, 8242908, 10303635, 10990544, 12364362, 13738180, 16485816, 20607270, 21981088, 24728724, 27476360, 30910905, 32971632, 41214540, 43962176, 49457448, 54952720, 61821810, 65943264, 82429080, 98914896, 109905440, 123643620, 131886528, 164858160, 197829792, 219810880, 247287240, 329716320, 395659584, 494574480, 659432640, 989148960, 1978297920]

約数ペア:

[(1, 1978297920), (2, 989148960), (3, 659432640), (4, 494574480), (5, 395659584), (6, 329716320), (8, 247287240), (9, 219810880), (10, 197829792), (12, 164858160), (15, 131886528), (16, 123643620), (18, 109905440), (20, 98914896), (24, 82429080), (30, 65943264), (32, 61821810), (36, 54952720), (40, 49457448), (45, 43962176), (48, 41214540), (60, 32971632), (64, 30910905), (72, 27476360), (80, 24728724), (90, 21981088), (96, 20607270), (120, 16485816), (144, 13738180), (160, 12364362), (180, 10990544), (192, 10303635), (240, 8242908), (288, 6869090), (320, 6182181), (360, 5495272), (480, 4121454), (491, 4029120), (576, 3434545), (720, 2747636), (960, 2060727), (982, 2014560), (1399, 1414080), (1440, 1373818), (1473, 1343040), (1964, 1007280), (2455, 805824), (2798, 707040), (2880, 686909), (2946, 671520), (3928, 503640), (4197, 471360), (4419, 447680), (4910, 402912), (5596, 353520), (5892, 335760), (6995, 282816), (7365, 268608), (7856, 251820), (8394, 235680), (8838, 223840), (9820, 201456), (11192, 176760), (11784, 167880), (12591, 157120), (13990, 141408), (14730, 134304), (15712, 125910), (16788, 117840), (17676, 111920), (19640, 100728), (20985, 94272), (22095, 89536), (22384, 88380), (23568, 83940), (25182, 78560), (27980, 70704), (29460, 67152), (31424, 62955), (33576, 58920), (35352, 55960), (39280, 50364), (41970, 47136), (44190, 44768)]