989148960

素因数分解:

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

素因数の和:1911

約数の個数: 144

約数和(自身を含む): 3384763200

約数和(自身を除く): 2395614240

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, 144, 160, 180, 240, 288, 360, 480, 491, 720, 982, 1399, 1440, 1473, 1964, 2455, 2798, 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, 33576, 35352, 39280, 41970, 44190, 44768, 47136, 50364, 55960, 58920, 62955, 67152, 70704, 78560, 83940, 88380, 100728, 111920, 117840, 125910, 134304, 141408, 167880, 176760, 201456, 223840, 235680, 251820, 335760, 353520, 402912, 503640, 671520, 686909, 707040, 1007280, 1373818, 2014560, 2060727, 2747636, 3434545, 4121454, 5495272, 6182181, 6869090, 8242908, 10303635, 10990544, 12364362, 13738180, 16485816, 20607270, 21981088, 24728724, 27476360, 30910905, 32971632, 41214540, 49457448, 54952720, 61821810, 65943264, 82429080, 98914896, 109905440, 123643620, 164858160, 197829792, 247287240, 329716320, 494574480, 989148960]

約数ペア:

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