87747840

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{2539}}^1$

素因数の和:2569

約数の個数: 144

約数和(自身を含む): 311505600

約数和(自身を除く): 223757760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1728, 1920, 2160, 2304, 2539, 2880, 3456, 3840, 4320, 5078, 5760, 6912, 7617, 8640, 10156, 11520, 12695, 15234, 17280, 20312, 22851, 25390, 30468, 34560, 38085, 40624, 45702, 50780, 60936, 68553, 76170, 81248, 91404, 101560, 114255, 121872, 137106, 152340, 162496, 182808, 203120, 228510, 243744, 274212, 304680, 324992, 342765, 365616, 406240, 457020, 487488, 548424, 609360, 649984, 685530, 731232, 812480, 914040, 974976, 1096848, 1218720, 1371060, 1462464, 1624960, 1828080, 1949952, 2193696, 2437440, 2742120, 2924928, 3249920, 3656160, 4387392, 4874880, 5484240, 5849856, 7312320, 8774784, 9749760, 10968480, 14624640, 17549568, 21936960, 29249280, 43873920, 87747840]

約数ペア:

[(1, 87747840), (2, 43873920), (3, 29249280), (4, 21936960), (5, 17549568), (6, 14624640), (8, 10968480), (9, 9749760), (10, 8774784), (12, 7312320), (15, 5849856), (16, 5484240), (18, 4874880), (20, 4387392), (24, 3656160), (27, 3249920), (30, 2924928), (32, 2742120), (36, 2437440), (40, 2193696), (45, 1949952), (48, 1828080), (54, 1624960), (60, 1462464), (64, 1371060), (72, 1218720), (80, 1096848), (90, 974976), (96, 914040), (108, 812480), (120, 731232), (128, 685530), (135, 649984), (144, 609360), (160, 548424), (180, 487488), (192, 457020), (216, 406240), (240, 365616), (256, 342765), (270, 324992), (288, 304680), (320, 274212), (360, 243744), (384, 228510), (432, 203120), (480, 182808), (540, 162496), (576, 152340), (640, 137106), (720, 121872), (768, 114255), (864, 101560), (960, 91404), (1080, 81248), (1152, 76170), (1280, 68553), (1440, 60936), (1728, 50780), (1920, 45702), (2160, 40624), (2304, 38085), (2539, 34560), (2880, 30468), (3456, 25390), (3840, 22851), (4320, 20312), (5078, 17280), (5760, 15234), (6912, 12695), (7617, 11520), (8640, 10156)]