81624960

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:445

約数の個数: 192

約数和(自身を含む): 290234880

約数和(自身を除く): 208609920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 64, 72, 74, 80, 90, 96, 111, 120, 128, 144, 148, 160, 180, 185, 192, 222, 240, 288, 296, 320, 333, 360, 370, 383, 384, 444, 480, 555, 576, 592, 640, 666, 720, 740, 766, 888, 960, 1110, 1149, 1152, 1184, 1332, 1440, 1480, 1532, 1665, 1776, 1915, 1920, 2220, 2298, 2368, 2664, 2880, 2960, 3064, 3330, 3447, 3552, 3830, 4440, 4596, 4736, 5328, 5745, 5760, 5920, 6128, 6660, 6894, 7104, 7660, 8880, 9192, 10656, 11490, 11840, 12256, 13320, 13788, 14171, 14208, 15320, 17235, 17760, 18384, 21312, 22980, 23680, 24512, 26640, 27576, 28342, 30640, 34470, 35520, 36768, 42513, 42624, 45960, 49024, 53280, 55152, 56684, 61280, 68940, 70855, 71040, 73536, 85026, 91920, 106560, 110304, 113368, 122560, 127539, 137880, 141710, 147072, 170052, 183840, 212565, 213120, 220608, 226736, 245120, 255078, 275760, 283420, 340104, 367680, 425130, 441216, 453472, 510156, 551520, 566840, 637695, 680208, 735360, 850260, 906944, 1020312, 1103040, 1133680, 1275390, 1360416, 1700520, 1813888, 2040624, 2206080, 2267360, 2550780, 2720832, 3401040, 4081248, 4534720, 5101560, 5441664, 6802080, 8162496, 9069440, 10203120, 13604160, 16324992, 20406240, 27208320, 40812480, 81624960]

約数ペア:

[(1, 81624960), (2, 40812480), (3, 27208320), (4, 20406240), (5, 16324992), (6, 13604160), (8, 10203120), (9, 9069440), (10, 8162496), (12, 6802080), (15, 5441664), (16, 5101560), (18, 4534720), (20, 4081248), (24, 3401040), (30, 2720832), (32, 2550780), (36, 2267360), (37, 2206080), (40, 2040624), (45, 1813888), (48, 1700520), (60, 1360416), (64, 1275390), (72, 1133680), (74, 1103040), (80, 1020312), (90, 906944), (96, 850260), (111, 735360), (120, 680208), (128, 637695), (144, 566840), (148, 551520), (160, 510156), (180, 453472), (185, 441216), (192, 425130), (222, 367680), (240, 340104), (288, 283420), (296, 275760), (320, 255078), (333, 245120), (360, 226736), (370, 220608), (383, 213120), (384, 212565), (444, 183840), (480, 170052), (555, 147072), (576, 141710), (592, 137880), (640, 127539), (666, 122560), (720, 113368), (740, 110304), (766, 106560), (888, 91920), (960, 85026), (1110, 73536), (1149, 71040), (1152, 70855), (1184, 68940), (1332, 61280), (1440, 56684), (1480, 55152), (1532, 53280), (1665, 49024), (1776, 45960), (1915, 42624), (1920, 42513), (2220, 36768), (2298, 35520), (2368, 34470), (2664, 30640), (2880, 28342), (2960, 27576), (3064, 26640), (3330, 24512), (3447, 23680), (3552, 22980), (3830, 21312), (4440, 18384), (4596, 17760), (4736, 17235), (5328, 15320), (5745, 14208), (5760, 14171), (5920, 13788), (6128, 13320), (6660, 12256), (6894, 11840), (7104, 11490), (7660, 10656), (8880, 9192)]