80817984

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:325

約数の個数: 168

約数和(自身を含む): 256288032

約数和(自身を除く): 175470048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 43, 48, 52, 64, 72, 78, 86, 96, 104, 117, 129, 144, 156, 172, 192, 208, 234, 251, 258, 288, 312, 344, 387, 416, 468, 502, 516, 559, 576, 624, 688, 753, 774, 832, 936, 1004, 1032, 1118, 1248, 1376, 1506, 1548, 1677, 1872, 2008, 2064, 2236, 2259, 2496, 2752, 3012, 3096, 3263, 3354, 3744, 4016, 4128, 4472, 4518, 5031, 6024, 6192, 6526, 6708, 7488, 8032, 8256, 8944, 9036, 9789, 10062, 10793, 12048, 12384, 13052, 13416, 16064, 17888, 18072, 19578, 20124, 21586, 24096, 24768, 26104, 26832, 29367, 32379, 35776, 36144, 39156, 40248, 43172, 48192, 52208, 53664, 58734, 64758, 72288, 78312, 80496, 86344, 97137, 104416, 107328, 117468, 129516, 140309, 144576, 156624, 160992, 172688, 194274, 208832, 234936, 259032, 280618, 313248, 321984, 345376, 388548, 420927, 469872, 518064, 561236, 626496, 690752, 777096, 841854, 939744, 1036128, 1122472, 1262781, 1554192, 1683708, 1879488, 2072256, 2244944, 2525562, 3108384, 3367416, 4489888, 5051124, 6216768, 6734832, 8979776, 10102248, 13469664, 20204496, 26939328, 40408992, 80817984]

約数ペア:

[(1, 80817984), (2, 40408992), (3, 26939328), (4, 20204496), (6, 13469664), (8, 10102248), (9, 8979776), (12, 6734832), (13, 6216768), (16, 5051124), (18, 4489888), (24, 3367416), (26, 3108384), (32, 2525562), (36, 2244944), (39, 2072256), (43, 1879488), (48, 1683708), (52, 1554192), (64, 1262781), (72, 1122472), (78, 1036128), (86, 939744), (96, 841854), (104, 777096), (117, 690752), (129, 626496), (144, 561236), (156, 518064), (172, 469872), (192, 420927), (208, 388548), (234, 345376), (251, 321984), (258, 313248), (288, 280618), (312, 259032), (344, 234936), (387, 208832), (416, 194274), (468, 172688), (502, 160992), (516, 156624), (559, 144576), (576, 140309), (624, 129516), (688, 117468), (753, 107328), (774, 104416), (832, 97137), (936, 86344), (1004, 80496), (1032, 78312), (1118, 72288), (1248, 64758), (1376, 58734), (1506, 53664), (1548, 52208), (1677, 48192), (1872, 43172), (2008, 40248), (2064, 39156), (2236, 36144), (2259, 35776), (2496, 32379), (2752, 29367), (3012, 26832), (3096, 26104), (3263, 24768), (3354, 24096), (3744, 21586), (4016, 20124), (4128, 19578), (4472, 18072), (4518, 17888), (5031, 16064), (6024, 13416), (6192, 13052), (6526, 12384), (6708, 12048), (7488, 10793), (8032, 10062), (8256, 9789), (8944, 9036)]