38981880

素因数分解:

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

素因数の和:554

約数の個数: 192

約数和(自身を含む): 149760000

約数和(自身を除く): 110778120

約数列:

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

約数ペア:

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