155927520

素因数分解:

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

素因数の和:558

約数の個数: 288

約数和(自身を含む): 628992000

約数和(自身を除く): 473064480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 140, 144, 155, 160, 168, 180, 186, 210, 217, 224, 240, 248, 252, 279, 280, 288, 310, 315, 336, 360, 372, 420, 434, 465, 480, 496, 499, 504, 558, 560, 620, 630, 651, 672, 720, 744, 840, 868, 930, 992, 998, 1008, 1085, 1116, 1120, 1240, 1260, 1302, 1395, 1440, 1488, 1497, 1680, 1736, 1860, 1953, 1996, 2016, 2170, 2232, 2480, 2495, 2520, 2604, 2790, 2976, 2994, 3255, 3360, 3472, 3493, 3720, 3906, 3992, 4340, 4464, 4491, 4960, 4990, 5040, 5208, 5580, 5988, 6510, 6944, 6986, 7440, 7485, 7812, 7984, 8680, 8928, 8982, 9765, 9980, 10080, 10416, 10479, 11160, 11976, 13020, 13972, 14880, 14970, 15469, 15624, 15968, 17360, 17465, 17964, 19530, 19960, 20832, 20958, 22320, 22455, 23952, 26040, 27944, 29940, 30938, 31248, 31437, 34720, 34930, 35928, 39060, 39920, 41916, 44640, 44910, 46407, 47904, 52080, 52395, 55888, 59880, 61876, 62496, 62874, 69860, 71856, 77345, 78120, 79840, 83832, 89820, 92814, 104160, 104790, 108283, 111776, 119760, 123752, 125748, 139221, 139720, 143712, 154690, 156240, 157185, 167664, 179640, 185628, 209580, 216566, 232035, 239520, 247504, 251496, 278442, 279440, 309380, 312480, 314370, 324849, 335328, 359280, 371256, 419160, 433132, 464070, 495008, 502992, 541415, 556884, 558880, 618760, 628740, 649698, 696105, 718560, 742512, 838320, 866264, 928140, 974547, 1005984, 1082830, 1113768, 1237520, 1257480, 1299396, 1392210, 1485024, 1624245, 1676640, 1732528, 1856280, 1949094, 2165660, 2227536, 2475040, 2514960, 2598792, 2784420, 3248490, 3465056, 3712560, 3898188, 4331320, 4455072, 4872735, 5029920, 5197584, 5568840, 6496980, 7425120, 7796376, 8662640, 9745470, 10395168, 11137680, 12993960, 15592752, 17325280, 19490940, 22275360, 25987920, 31185504, 38981880, 51975840, 77963760, 155927520]

約数ペア:

[(1, 155927520), (2, 77963760), (3, 51975840), (4, 38981880), (5, 31185504), (6, 25987920), (7, 22275360), (8, 19490940), (9, 17325280), (10, 15592752), (12, 12993960), (14, 11137680), (15, 10395168), (16, 9745470), (18, 8662640), (20, 7796376), (21, 7425120), (24, 6496980), (28, 5568840), (30, 5197584), (31, 5029920), (32, 4872735), (35, 4455072), (36, 4331320), (40, 3898188), (42, 3712560), (45, 3465056), (48, 3248490), (56, 2784420), (60, 2598792), (62, 2514960), (63, 2475040), (70, 2227536), (72, 2165660), (80, 1949094), (84, 1856280), (90, 1732528), (93, 1676640), (96, 1624245), (105, 1485024), (112, 1392210), (120, 1299396), (124, 1257480), (126, 1237520), (140, 1113768), (144, 1082830), (155, 1005984), (160, 974547), (168, 928140), (180, 866264), (186, 838320), (210, 742512), (217, 718560), (224, 696105), (240, 649698), (248, 628740), (252, 618760), (279, 558880), (280, 556884), (288, 541415), (310, 502992), (315, 495008), (336, 464070), (360, 433132), (372, 419160), (420, 371256), (434, 359280), (465, 335328), (480, 324849), (496, 314370), (499, 312480), (504, 309380), (558, 279440), (560, 278442), (620, 251496), (630, 247504), (651, 239520), (672, 232035), (720, 216566), (744, 209580), (840, 185628), (868, 179640), (930, 167664), (992, 157185), (998, 156240), (1008, 154690), (1085, 143712), (1116, 139720), (1120, 139221), (1240, 125748), (1260, 123752), (1302, 119760), (1395, 111776), (1440, 108283), (1488, 104790), (1497, 104160), (1680, 92814), (1736, 89820), (1860, 83832), (1953, 79840), (1996, 78120), (2016, 77345), (2170, 71856), (2232, 69860), (2480, 62874), (2495, 62496), (2520, 61876), (2604, 59880), (2790, 55888), (2976, 52395), (2994, 52080), (3255, 47904), (3360, 46407), (3472, 44910), (3493, 44640), (3720, 41916), (3906, 39920), (3992, 39060), (4340, 35928), (4464, 34930), (4491, 34720), (4960, 31437), (4990, 31248), (5040, 30938), (5208, 29940), (5580, 27944), (5988, 26040), (6510, 23952), (6944, 22455), (6986, 22320), (7440, 20958), (7485, 20832), (7812, 19960), (7984, 19530), (8680, 17964), (8928, 17465), (8982, 17360), (9765, 15968), (9980, 15624), (10080, 15469), (10416, 14970), (10479, 14880), (11160, 13972), (11976, 13020)]