839246720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5309}}^1$

素因数の和:5360

約数の個数: 128

約数和(自身を含む): 2274804000

約数和(自身を除く): 1435557280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 640, 760, 832, 988, 1040, 1216, 1235, 1520, 1664, 1976, 2080, 2432, 2470, 3040, 3952, 4160, 4940, 5309, 6080, 7904, 8320, 9880, 10618, 12160, 15808, 19760, 21236, 26545, 31616, 39520, 42472, 53090, 69017, 79040, 84944, 100871, 106180, 138034, 158080, 169888, 201742, 212360, 276068, 339776, 345085, 403484, 424720, 504355, 552136, 679552, 690170, 806968, 849440, 1008710, 1104272, 1311323, 1380340, 1613936, 1698880, 2017420, 2208544, 2622646, 2760680, 3227872, 3397760, 4034840, 4417088, 5245292, 5521360, 6455744, 6556615, 8069680, 8834176, 10490584, 11042720, 12911488, 13113230, 16139360, 20981168, 22085440, 26226460, 32278720, 41962336, 44170880, 52452920, 64557440, 83924672, 104905840, 167849344, 209811680, 419623360, 839246720]

約数ペア:

[(1, 839246720), (2, 419623360), (4, 209811680), (5, 167849344), (8, 104905840), (10, 83924672), (13, 64557440), (16, 52452920), (19, 44170880), (20, 41962336), (26, 32278720), (32, 26226460), (38, 22085440), (40, 20981168), (52, 16139360), (64, 13113230), (65, 12911488), (76, 11042720), (80, 10490584), (95, 8834176), (104, 8069680), (128, 6556615), (130, 6455744), (152, 5521360), (160, 5245292), (190, 4417088), (208, 4034840), (247, 3397760), (260, 3227872), (304, 2760680), (320, 2622646), (380, 2208544), (416, 2017420), (494, 1698880), (520, 1613936), (608, 1380340), (640, 1311323), (760, 1104272), (832, 1008710), (988, 849440), (1040, 806968), (1216, 690170), (1235, 679552), (1520, 552136), (1664, 504355), (1976, 424720), (2080, 403484), (2432, 345085), (2470, 339776), (3040, 276068), (3952, 212360), (4160, 201742), (4940, 169888), (5309, 158080), (6080, 138034), (7904, 106180), (8320, 100871), (9880, 84944), (10618, 79040), (12160, 69017), (15808, 53090), (19760, 42472), (21236, 39520), (26545, 31616)]