77984640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{4513}}^1$

素因数の和:4541

約数の個数: 128

約数和(自身を含む): 276256800

約数和(自身を除く): 198272160

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, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 4513, 5760, 8640, 9026, 13539, 17280, 18052, 22565, 27078, 36104, 40617, 45130, 54156, 67695, 72208, 81234, 90260, 108312, 121851, 135390, 144416, 162468, 180520, 203085, 216624, 243702, 270780, 288832, 324936, 361040, 406170, 433248, 487404, 541560, 577664, 609255, 649872, 722080, 812340, 866496, 974808, 1083120, 1218510, 1299744, 1444160, 1624680, 1732992, 1949616, 2166240, 2437020, 2599488, 2888320, 3249360, 3899232, 4332480, 4874040, 5198976, 6498720, 7798464, 8664960, 9748080, 12997440, 15596928, 19496160, 25994880, 38992320, 77984640]

約数ペア:

[(1, 77984640), (2, 38992320), (3, 25994880), (4, 19496160), (5, 15596928), (6, 12997440), (8, 9748080), (9, 8664960), (10, 7798464), (12, 6498720), (15, 5198976), (16, 4874040), (18, 4332480), (20, 3899232), (24, 3249360), (27, 2888320), (30, 2599488), (32, 2437020), (36, 2166240), (40, 1949616), (45, 1732992), (48, 1624680), (54, 1444160), (60, 1299744), (64, 1218510), (72, 1083120), (80, 974808), (90, 866496), (96, 812340), (108, 722080), (120, 649872), (128, 609255), (135, 577664), (144, 541560), (160, 487404), (180, 433248), (192, 406170), (216, 361040), (240, 324936), (270, 288832), (288, 270780), (320, 243702), (360, 216624), (384, 203085), (432, 180520), (480, 162468), (540, 144416), (576, 135390), (640, 121851), (720, 108312), (864, 90260), (960, 81234), (1080, 72208), (1152, 67695), (1440, 54156), (1728, 45130), (1920, 40617), (2160, 36104), (2880, 27078), (3456, 22565), (4320, 18052), (4513, 17280), (5760, 13539), (8640, 9026)]