77572880

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:302

約数の個数: 160

約数和(自身を含む): 230342400

約数和(自身を除く): 152769520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 257, 280, 308, 343, 385, 392, 440, 490, 514, 539, 560, 616, 686, 770, 784, 880, 980, 1028, 1078, 1232, 1285, 1372, 1540, 1715, 1799, 1960, 2056, 2156, 2570, 2695, 2744, 2827, 3080, 3430, 3598, 3773, 3920, 4112, 4312, 5140, 5390, 5488, 5654, 6160, 6860, 7196, 7546, 8624, 8995, 10280, 10780, 11308, 12593, 13720, 14135, 14392, 15092, 17990, 18865, 19789, 20560, 21560, 22616, 25186, 27440, 28270, 28784, 30184, 35980, 37730, 39578, 43120, 45232, 50372, 56540, 60368, 62965, 71960, 75460, 79156, 88151, 98945, 100744, 113080, 125930, 138523, 143920, 150920, 158312, 176302, 197890, 201488, 226160, 251860, 277046, 301840, 316624, 352604, 395780, 440755, 503720, 554092, 692615, 705208, 791560, 881510, 969661, 1007440, 1108184, 1385230, 1410416, 1583120, 1763020, 1939322, 2216368, 2770460, 3526040, 3878644, 4848305, 5540920, 7052080, 7757288, 9696610, 11081840, 15514576, 19393220, 38786440, 77572880]

約数ペア:

[(1, 77572880), (2, 38786440), (4, 19393220), (5, 15514576), (7, 11081840), (8, 9696610), (10, 7757288), (11, 7052080), (14, 5540920), (16, 4848305), (20, 3878644), (22, 3526040), (28, 2770460), (35, 2216368), (40, 1939322), (44, 1763020), (49, 1583120), (55, 1410416), (56, 1385230), (70, 1108184), (77, 1007440), (80, 969661), (88, 881510), (98, 791560), (110, 705208), (112, 692615), (140, 554092), (154, 503720), (176, 440755), (196, 395780), (220, 352604), (245, 316624), (257, 301840), (280, 277046), (308, 251860), (343, 226160), (385, 201488), (392, 197890), (440, 176302), (490, 158312), (514, 150920), (539, 143920), (560, 138523), (616, 125930), (686, 113080), (770, 100744), (784, 98945), (880, 88151), (980, 79156), (1028, 75460), (1078, 71960), (1232, 62965), (1285, 60368), (1372, 56540), (1540, 50372), (1715, 45232), (1799, 43120), (1960, 39578), (2056, 37730), (2156, 35980), (2570, 30184), (2695, 28784), (2744, 28270), (2827, 27440), (3080, 25186), (3430, 22616), (3598, 21560), (3773, 20560), (3920, 19789), (4112, 18865), (4312, 17990), (5140, 15092), (5390, 14392), (5488, 14135), (5654, 13720), (6160, 12593), (6860, 11308), (7196, 10780), (7546, 10280), (8624, 8995)]