55557720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:194

約数の個数: 192

約数和(自身を含む): 191711520

約数和(自身を除く): 136153800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 43, 45, 60, 72, 74, 86, 90, 97, 111, 120, 129, 148, 172, 180, 185, 194, 215, 222, 258, 291, 296, 333, 344, 360, 370, 387, 388, 430, 444, 485, 516, 555, 582, 645, 666, 740, 774, 776, 860, 873, 888, 970, 1032, 1110, 1164, 1290, 1332, 1455, 1480, 1548, 1591, 1665, 1720, 1746, 1935, 1940, 2220, 2328, 2580, 2664, 2910, 3096, 3182, 3330, 3492, 3589, 3870, 3880, 4171, 4365, 4440, 4773, 5160, 5820, 6364, 6660, 6984, 7178, 7740, 7955, 8342, 8730, 9546, 10767, 11640, 12513, 12728, 13320, 14319, 14356, 15480, 15910, 16684, 17460, 17945, 19092, 20855, 21534, 23865, 25026, 28638, 28712, 31820, 32301, 33368, 34920, 35890, 37539, 38184, 41710, 43068, 47730, 50052, 53835, 57276, 62565, 63640, 64602, 71595, 71780, 75078, 83420, 86136, 95460, 100104, 107670, 114552, 125130, 129204, 143190, 143560, 150156, 154327, 161505, 166840, 187695, 190920, 215340, 250260, 258408, 286380, 300312, 308654, 323010, 375390, 430680, 462981, 500520, 572760, 617308, 646020, 750780, 771635, 925962, 1234616, 1292040, 1388943, 1501560, 1543270, 1851924, 2314905, 2777886, 3086540, 3703848, 4629810, 5555772, 6173080, 6944715, 9259620, 11111544, 13889430, 18519240, 27778860, 55557720]

約数ペア:

[(1, 55557720), (2, 27778860), (3, 18519240), (4, 13889430), (5, 11111544), (6, 9259620), (8, 6944715), (9, 6173080), (10, 5555772), (12, 4629810), (15, 3703848), (18, 3086540), (20, 2777886), (24, 2314905), (30, 1851924), (36, 1543270), (37, 1501560), (40, 1388943), (43, 1292040), (45, 1234616), (60, 925962), (72, 771635), (74, 750780), (86, 646020), (90, 617308), (97, 572760), (111, 500520), (120, 462981), (129, 430680), (148, 375390), (172, 323010), (180, 308654), (185, 300312), (194, 286380), (215, 258408), (222, 250260), (258, 215340), (291, 190920), (296, 187695), (333, 166840), (344, 161505), (360, 154327), (370, 150156), (387, 143560), (388, 143190), (430, 129204), (444, 125130), (485, 114552), (516, 107670), (555, 100104), (582, 95460), (645, 86136), (666, 83420), (740, 75078), (774, 71780), (776, 71595), (860, 64602), (873, 63640), (888, 62565), (970, 57276), (1032, 53835), (1110, 50052), (1164, 47730), (1290, 43068), (1332, 41710), (1455, 38184), (1480, 37539), (1548, 35890), (1591, 34920), (1665, 33368), (1720, 32301), (1746, 31820), (1935, 28712), (1940, 28638), (2220, 25026), (2328, 23865), (2580, 21534), (2664, 20855), (2910, 19092), (3096, 17945), (3182, 17460), (3330, 16684), (3492, 15910), (3589, 15480), (3870, 14356), (3880, 14319), (4171, 13320), (4365, 12728), (4440, 12513), (4773, 11640), (5160, 10767), (5820, 9546), (6364, 8730), (6660, 8342), (6984, 7955), (7178, 7740)]