77963760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:556

約数の個数: 240

約数和(自身を含む): 309504000

約数和(自身を除く): 231540240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 499, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 998, 1008, 1085, 1116, 1240, 1260, 1302, 1395, 1488, 1497, 1680, 1736, 1860, 1953, 1996, 2170, 2232, 2480, 2495, 2520, 2604, 2790, 2994, 3255, 3472, 3493, 3720, 3906, 3992, 4340, 4464, 4491, 4990, 5040, 5208, 5580, 5988, 6510, 6986, 7440, 7485, 7812, 7984, 8680, 8982, 9765, 9980, 10416, 10479, 11160, 11976, 13020, 13972, 14970, 15469, 15624, 17360, 17465, 17964, 19530, 19960, 20958, 22320, 22455, 23952, 26040, 27944, 29940, 30938, 31248, 31437, 34930, 35928, 39060, 39920, 41916, 44910, 46407, 52080, 52395, 55888, 59880, 61876, 62874, 69860, 71856, 77345, 78120, 83832, 89820, 92814, 104790, 108283, 119760, 123752, 125748, 139221, 139720, 154690, 156240, 157185, 167664, 179640, 185628, 209580, 216566, 232035, 247504, 251496, 278442, 279440, 309380, 314370, 324849, 359280, 371256, 419160, 433132, 464070, 502992, 541415, 556884, 618760, 628740, 649698, 696105, 742512, 838320, 866264, 928140, 974547, 1082830, 1113768, 1237520, 1257480, 1299396, 1392210, 1624245, 1732528, 1856280, 1949094, 2165660, 2227536, 2514960, 2598792, 2784420, 3248490, 3712560, 3898188, 4331320, 4872735, 5197584, 5568840, 6496980, 7796376, 8662640, 9745470, 11137680, 12993960, 15592752, 19490940, 25987920, 38981880, 77963760]

約数ペア:

[(1, 77963760), (2, 38981880), (3, 25987920), (4, 19490940), (5, 15592752), (6, 12993960), (7, 11137680), (8, 9745470), (9, 8662640), (10, 7796376), (12, 6496980), (14, 5568840), (15, 5197584), (16, 4872735), (18, 4331320), (20, 3898188), (21, 3712560), (24, 3248490), (28, 2784420), (30, 2598792), (31, 2514960), (35, 2227536), (36, 2165660), (40, 1949094), (42, 1856280), (45, 1732528), (48, 1624245), (56, 1392210), (60, 1299396), (62, 1257480), (63, 1237520), (70, 1113768), (72, 1082830), (80, 974547), (84, 928140), (90, 866264), (93, 838320), (105, 742512), (112, 696105), (120, 649698), (124, 628740), (126, 618760), (140, 556884), (144, 541415), (155, 502992), (168, 464070), (180, 433132), (186, 419160), (210, 371256), (217, 359280), (240, 324849), (248, 314370), (252, 309380), (279, 279440), (280, 278442), (310, 251496), (315, 247504), (336, 232035), (360, 216566), (372, 209580), (420, 185628), (434, 179640), (465, 167664), (496, 157185), (499, 156240), (504, 154690), (558, 139720), (560, 139221), (620, 125748), (630, 123752), (651, 119760), (720, 108283), (744, 104790), (840, 92814), (868, 89820), (930, 83832), (998, 78120), (1008, 77345), (1085, 71856), (1116, 69860), (1240, 62874), (1260, 61876), (1302, 59880), (1395, 55888), (1488, 52395), (1497, 52080), (1680, 46407), (1736, 44910), (1860, 41916), (1953, 39920), (1996, 39060), (2170, 35928), (2232, 34930), (2480, 31437), (2495, 31248), (2520, 30938), (2604, 29940), (2790, 27944), (2994, 26040), (3255, 23952), (3472, 22455), (3493, 22320), (3720, 20958), (3906, 19960), (3992, 19530), (4340, 17964), (4464, 17465), (4491, 17360), (4990, 15624), (5040, 15469), (5208, 14970), (5580, 13972), (5988, 13020), (6510, 11976), (6986, 11160), (7440, 10479), (7485, 10416), (7812, 9980), (7984, 9765), (8680, 8982)]