78855840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{7823}}^1$

素因数の和:7851

約数の個数: 144

約数和(自身を含む): 307577088

約数和(自身を除く): 228721248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 7823, 10080, 15646, 23469, 31292, 39115, 46938, 54761, 62584, 70407, 78230, 93876, 109522, 117345, 125168, 140814, 156460, 164283, 187752, 219044, 234690, 250336, 273805, 281628, 312920, 328566, 352035, 375504, 438088, 469380, 492849, 547610, 563256, 625840, 657132, 704070, 751008, 821415, 876176, 938760, 985698, 1095220, 1126512, 1251680, 1314264, 1408140, 1642830, 1752352, 1877520, 1971396, 2190440, 2253024, 2464245, 2628528, 2816280, 3285660, 3755040, 3942792, 4380880, 4928490, 5257056, 5632560, 6571320, 7885584, 8761760, 9856980, 11265120, 13142640, 15771168, 19713960, 26285280, 39427920, 78855840]

約数ペア:

[(1, 78855840), (2, 39427920), (3, 26285280), (4, 19713960), (5, 15771168), (6, 13142640), (7, 11265120), (8, 9856980), (9, 8761760), (10, 7885584), (12, 6571320), (14, 5632560), (15, 5257056), (16, 4928490), (18, 4380880), (20, 3942792), (21, 3755040), (24, 3285660), (28, 2816280), (30, 2628528), (32, 2464245), (35, 2253024), (36, 2190440), (40, 1971396), (42, 1877520), (45, 1752352), (48, 1642830), (56, 1408140), (60, 1314264), (63, 1251680), (70, 1126512), (72, 1095220), (80, 985698), (84, 938760), (90, 876176), (96, 821415), (105, 751008), (112, 704070), (120, 657132), (126, 625840), (140, 563256), (144, 547610), (160, 492849), (168, 469380), (180, 438088), (210, 375504), (224, 352035), (240, 328566), (252, 312920), (280, 281628), (288, 273805), (315, 250336), (336, 234690), (360, 219044), (420, 187752), (480, 164283), (504, 156460), (560, 140814), (630, 125168), (672, 117345), (720, 109522), (840, 93876), (1008, 78230), (1120, 70407), (1260, 62584), (1440, 54761), (1680, 46938), (2016, 39115), (2520, 31292), (3360, 23469), (5040, 15646), (7823, 10080)]