78877440

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:235

約数の個数: 216

約数和(自身を含む): 281238048

約数和(自身を除く): 202360608

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 64, 72, 80, 82, 90, 96, 120, 123, 128, 144, 160, 164, 167, 180, 192, 205, 240, 246, 256, 288, 320, 328, 334, 360, 369, 384, 410, 480, 492, 501, 576, 615, 640, 656, 668, 720, 738, 768, 820, 835, 960, 984, 1002, 1152, 1230, 1280, 1312, 1336, 1440, 1476, 1503, 1640, 1670, 1845, 1920, 1968, 2004, 2304, 2460, 2505, 2624, 2672, 2880, 2952, 3006, 3280, 3340, 3690, 3840, 3936, 4008, 4920, 5010, 5248, 5344, 5760, 5904, 6012, 6560, 6680, 6847, 7380, 7515, 7872, 8016, 9840, 10020, 10496, 10688, 11520, 11808, 12024, 13120, 13360, 13694, 14760, 15030, 15744, 16032, 19680, 20040, 20541, 21376, 23616, 24048, 26240, 26720, 27388, 29520, 30060, 31488, 32064, 34235, 39360, 40080, 41082, 42752, 47232, 48096, 52480, 53440, 54776, 59040, 60120, 61623, 64128, 68470, 78720, 80160, 82164, 94464, 96192, 102705, 106880, 109552, 118080, 120240, 123246, 128256, 136940, 157440, 160320, 164328, 192384, 205410, 213760, 219104, 236160, 240480, 246492, 273880, 308115, 320640, 328656, 384768, 410820, 438208, 472320, 480960, 492984, 547760, 616230, 641280, 657312, 821640, 876416, 961920, 985968, 1095520, 1232460, 1314624, 1643280, 1752832, 1923840, 1971936, 2191040, 2464920, 2629248, 3286560, 3943872, 4382080, 4929840, 5258496, 6573120, 7887744, 8764160, 9859680, 13146240, 15775488, 19719360, 26292480, 39438720, 78877440]

約数ペア:

[(1, 78877440), (2, 39438720), (3, 26292480), (4, 19719360), (5, 15775488), (6, 13146240), (8, 9859680), (9, 8764160), (10, 7887744), (12, 6573120), (15, 5258496), (16, 4929840), (18, 4382080), (20, 3943872), (24, 3286560), (30, 2629248), (32, 2464920), (36, 2191040), (40, 1971936), (41, 1923840), (45, 1752832), (48, 1643280), (60, 1314624), (64, 1232460), (72, 1095520), (80, 985968), (82, 961920), (90, 876416), (96, 821640), (120, 657312), (123, 641280), (128, 616230), (144, 547760), (160, 492984), (164, 480960), (167, 472320), (180, 438208), (192, 410820), (205, 384768), (240, 328656), (246, 320640), (256, 308115), (288, 273880), (320, 246492), (328, 240480), (334, 236160), (360, 219104), (369, 213760), (384, 205410), (410, 192384), (480, 164328), (492, 160320), (501, 157440), (576, 136940), (615, 128256), (640, 123246), (656, 120240), (668, 118080), (720, 109552), (738, 106880), (768, 102705), (820, 96192), (835, 94464), (960, 82164), (984, 80160), (1002, 78720), (1152, 68470), (1230, 64128), (1280, 61623), (1312, 60120), (1336, 59040), (1440, 54776), (1476, 53440), (1503, 52480), (1640, 48096), (1670, 47232), (1845, 42752), (1920, 41082), (1968, 40080), (2004, 39360), (2304, 34235), (2460, 32064), (2505, 31488), (2624, 30060), (2672, 29520), (2880, 27388), (2952, 26720), (3006, 26240), (3280, 24048), (3340, 23616), (3690, 21376), (3840, 20541), (3936, 20040), (4008, 19680), (4920, 16032), (5010, 15744), (5248, 15030), (5344, 14760), (5760, 13694), (5904, 13360), (6012, 13120), (6560, 12024), (6680, 11808), (6847, 11520), (7380, 10688), (7515, 10496), (7872, 10020), (8016, 9840)]