56720520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1811}}^1$

素因数の和:1860

約数の個数: 128

約数和(自身を含む): 195696000

約数和(自身を除く): 138975480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 87, 90, 108, 116, 120, 135, 145, 174, 180, 216, 232, 261, 270, 290, 348, 360, 435, 522, 540, 580, 696, 783, 870, 1044, 1080, 1160, 1305, 1566, 1740, 1811, 2088, 2610, 3132, 3480, 3622, 3915, 5220, 5433, 6264, 7244, 7830, 9055, 10440, 10866, 14488, 15660, 16299, 18110, 21732, 27165, 31320, 32598, 36220, 43464, 48897, 52519, 54330, 65196, 72440, 81495, 97794, 105038, 108660, 130392, 157557, 162990, 195588, 210076, 217320, 244485, 262595, 315114, 325980, 391176, 420152, 472671, 488970, 525190, 630228, 651960, 787785, 945342, 977940, 1050380, 1260456, 1418013, 1575570, 1890684, 1955880, 2100760, 2363355, 2836026, 3151140, 3781368, 4726710, 5672052, 6302280, 7090065, 9453420, 11344104, 14180130, 18906840, 28360260, 56720520]

約数ペア:

[(1, 56720520), (2, 28360260), (3, 18906840), (4, 14180130), (5, 11344104), (6, 9453420), (8, 7090065), (9, 6302280), (10, 5672052), (12, 4726710), (15, 3781368), (18, 3151140), (20, 2836026), (24, 2363355), (27, 2100760), (29, 1955880), (30, 1890684), (36, 1575570), (40, 1418013), (45, 1260456), (54, 1050380), (58, 977940), (60, 945342), (72, 787785), (87, 651960), (90, 630228), (108, 525190), (116, 488970), (120, 472671), (135, 420152), (145, 391176), (174, 325980), (180, 315114), (216, 262595), (232, 244485), (261, 217320), (270, 210076), (290, 195588), (348, 162990), (360, 157557), (435, 130392), (522, 108660), (540, 105038), (580, 97794), (696, 81495), (783, 72440), (870, 65196), (1044, 54330), (1080, 52519), (1160, 48897), (1305, 43464), (1566, 36220), (1740, 32598), (1811, 31320), (2088, 27165), (2610, 21732), (3132, 18110), (3480, 16299), (3622, 15660), (3915, 14488), (5220, 10866), (5433, 10440), (6264, 9055), (7244, 7830)]