77639940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1433}}^1$

素因数の和:1498

約数の個数: 144

約数和(自身を含む): 275603328

約数和(自身を除く): 197963388

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 602, 630, 645, 774, 860, 903, 1204, 1260, 1290, 1433, 1505, 1548, 1806, 1935, 2580, 2709, 2866, 3010, 3612, 3870, 4299, 4515, 5418, 5732, 6020, 7165, 7740, 8598, 9030, 10031, 10836, 12897, 13545, 14330, 17196, 18060, 20062, 21495, 25794, 27090, 28660, 30093, 40124, 42990, 50155, 51588, 54180, 60186, 61619, 64485, 85980, 90279, 100310, 120372, 123238, 128970, 150465, 180558, 184857, 200620, 246476, 257940, 300930, 308095, 361116, 369714, 431333, 451395, 554571, 601860, 616190, 739428, 862666, 902790, 924285, 1109142, 1232380, 1293999, 1725332, 1805580, 1848570, 2156665, 2218284, 2587998, 2772855, 3697140, 3881997, 4313330, 5175996, 5545710, 6469995, 7763994, 8626660, 11091420, 12939990, 15527988, 19409985, 25879980, 38819970, 77639940]

約数ペア:

[(1, 77639940), (2, 38819970), (3, 25879980), (4, 19409985), (5, 15527988), (6, 12939990), (7, 11091420), (9, 8626660), (10, 7763994), (12, 6469995), (14, 5545710), (15, 5175996), (18, 4313330), (20, 3881997), (21, 3697140), (28, 2772855), (30, 2587998), (35, 2218284), (36, 2156665), (42, 1848570), (43, 1805580), (45, 1725332), (60, 1293999), (63, 1232380), (70, 1109142), (84, 924285), (86, 902790), (90, 862666), (105, 739428), (126, 616190), (129, 601860), (140, 554571), (172, 451395), (180, 431333), (210, 369714), (215, 361116), (252, 308095), (258, 300930), (301, 257940), (315, 246476), (387, 200620), (420, 184857), (430, 180558), (516, 150465), (602, 128970), (630, 123238), (645, 120372), (774, 100310), (860, 90279), (903, 85980), (1204, 64485), (1260, 61619), (1290, 60186), (1433, 54180), (1505, 51588), (1548, 50155), (1806, 42990), (1935, 40124), (2580, 30093), (2709, 28660), (2866, 27090), (3010, 25794), (3612, 21495), (3870, 20062), (4299, 18060), (4515, 17196), (5418, 14330), (5732, 13545), (6020, 12897), (7165, 10836), (7740, 10031), (8598, 9030)]