27778860

素因数分解:

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

素因数の和:192

約数の個数: 144

約数和(自身を含む): 89465376

約数和(自身を除く): 61686516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 43, 45, 60, 74, 86, 90, 97, 111, 129, 148, 172, 180, 185, 194, 215, 222, 258, 291, 333, 370, 387, 388, 430, 444, 485, 516, 555, 582, 645, 666, 740, 774, 860, 873, 970, 1110, 1164, 1290, 1332, 1455, 1548, 1591, 1665, 1746, 1935, 1940, 2220, 2580, 2910, 3182, 3330, 3492, 3589, 3870, 4171, 4365, 4773, 5820, 6364, 6660, 7178, 7740, 7955, 8342, 8730, 9546, 10767, 12513, 14319, 14356, 15910, 16684, 17460, 17945, 19092, 20855, 21534, 23865, 25026, 28638, 31820, 32301, 35890, 37539, 41710, 43068, 47730, 50052, 53835, 57276, 62565, 64602, 71595, 71780, 75078, 83420, 95460, 107670, 125130, 129204, 143190, 150156, 154327, 161505, 187695, 215340, 250260, 286380, 308654, 323010, 375390, 462981, 617308, 646020, 750780, 771635, 925962, 1388943, 1543270, 1851924, 2314905, 2777886, 3086540, 4629810, 5555772, 6944715, 9259620, 13889430, 27778860]

約数ペア:

[(1, 27778860), (2, 13889430), (3, 9259620), (4, 6944715), (5, 5555772), (6, 4629810), (9, 3086540), (10, 2777886), (12, 2314905), (15, 1851924), (18, 1543270), (20, 1388943), (30, 925962), (36, 771635), (37, 750780), (43, 646020), (45, 617308), (60, 462981), (74, 375390), (86, 323010), (90, 308654), (97, 286380), (111, 250260), (129, 215340), (148, 187695), (172, 161505), (180, 154327), (185, 150156), (194, 143190), (215, 129204), (222, 125130), (258, 107670), (291, 95460), (333, 83420), (370, 75078), (387, 71780), (388, 71595), (430, 64602), (444, 62565), (485, 57276), (516, 53835), (555, 50052), (582, 47730), (645, 43068), (666, 41710), (740, 37539), (774, 35890), (860, 32301), (873, 31820), (970, 28638), (1110, 25026), (1164, 23865), (1290, 21534), (1332, 20855), (1455, 19092), (1548, 17945), (1591, 17460), (1665, 16684), (1746, 15910), (1935, 14356), (1940, 14319), (2220, 12513), (2580, 10767), (2910, 9546), (3182, 8730), (3330, 8342), (3492, 7955), (3589, 7740), (3870, 7178), (4171, 6660), (4365, 6364), (4773, 5820)]