85816280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:201

約数の個数: 128

約数和(自身を含む): 222082560

約数和(自身を除く): 136266280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 67, 71, 82, 88, 110, 134, 142, 164, 205, 220, 268, 284, 328, 335, 355, 410, 440, 451, 536, 568, 670, 710, 737, 781, 820, 902, 1340, 1420, 1474, 1562, 1640, 1804, 2255, 2680, 2747, 2840, 2911, 2948, 3124, 3608, 3685, 3905, 4510, 4757, 5494, 5822, 5896, 6248, 7370, 7810, 9020, 9514, 10988, 11644, 13735, 14555, 14740, 15620, 18040, 19028, 21976, 23288, 23785, 27470, 29110, 29480, 30217, 31240, 32021, 38056, 47570, 52327, 54940, 58220, 60434, 64042, 95140, 104654, 109880, 116440, 120868, 128084, 151085, 160105, 190280, 195037, 209308, 241736, 256168, 261635, 302170, 320210, 390074, 418616, 523270, 604340, 640420, 780148, 975185, 1046540, 1208680, 1280840, 1560296, 1950370, 2093080, 2145407, 3900740, 4290814, 7801480, 8581628, 10727035, 17163256, 21454070, 42908140, 85816280]

約数ペア:

[(1, 85816280), (2, 42908140), (4, 21454070), (5, 17163256), (8, 10727035), (10, 8581628), (11, 7801480), (20, 4290814), (22, 3900740), (40, 2145407), (41, 2093080), (44, 1950370), (55, 1560296), (67, 1280840), (71, 1208680), (82, 1046540), (88, 975185), (110, 780148), (134, 640420), (142, 604340), (164, 523270), (205, 418616), (220, 390074), (268, 320210), (284, 302170), (328, 261635), (335, 256168), (355, 241736), (410, 209308), (440, 195037), (451, 190280), (536, 160105), (568, 151085), (670, 128084), (710, 120868), (737, 116440), (781, 109880), (820, 104654), (902, 95140), (1340, 64042), (1420, 60434), (1474, 58220), (1562, 54940), (1640, 52327), (1804, 47570), (2255, 38056), (2680, 32021), (2747, 31240), (2840, 30217), (2911, 29480), (2948, 29110), (3124, 27470), (3608, 23785), (3685, 23288), (3905, 21976), (4510, 19028), (4757, 18040), (5494, 15620), (5822, 14740), (5896, 14555), (6248, 13735), (7370, 11644), (7810, 10988), (9020, 9514)]