68759860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 169344000

約数和(自身を除く): 100584140

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 62, 65, 76, 95, 124, 130, 155, 190, 247, 260, 310, 380, 403, 449, 494, 589, 620, 806, 898, 988, 1178, 1235, 1612, 1796, 2015, 2245, 2356, 2470, 2945, 4030, 4490, 4940, 5837, 5890, 7657, 8060, 8531, 8980, 11674, 11780, 13919, 15314, 17062, 23348, 27838, 29185, 30628, 34124, 38285, 42655, 55676, 58370, 69595, 76570, 85310, 110903, 116740, 139190, 153140, 170620, 180947, 221806, 264461, 278380, 361894, 443612, 528922, 554515, 723788, 904735, 1057844, 1109030, 1322305, 1809470, 2218060, 2644610, 3437993, 3618940, 5289220, 6875986, 13751972, 17189965, 34379930, 68759860]

約数ペア:

[(1, 68759860), (2, 34379930), (4, 17189965), (5, 13751972), (10, 6875986), (13, 5289220), (19, 3618940), (20, 3437993), (26, 2644610), (31, 2218060), (38, 1809470), (52, 1322305), (62, 1109030), (65, 1057844), (76, 904735), (95, 723788), (124, 554515), (130, 528922), (155, 443612), (190, 361894), (247, 278380), (260, 264461), (310, 221806), (380, 180947), (403, 170620), (449, 153140), (494, 139190), (589, 116740), (620, 110903), (806, 85310), (898, 76570), (988, 69595), (1178, 58370), (1235, 55676), (1612, 42655), (1796, 38285), (2015, 34124), (2245, 30628), (2356, 29185), (2470, 27838), (2945, 23348), (4030, 17062), (4490, 15314), (4940, 13919), (5837, 11780), (5890, 11674), (7657, 8980), (8060, 8531)]