68216940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:420

約数の個数: 144

約数和(自身を含む): 228324096

約数和(自身を除く): 160107156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 131, 132, 165, 180, 198, 220, 262, 263, 330, 393, 396, 495, 524, 526, 655, 660, 786, 789, 990, 1052, 1179, 1310, 1315, 1441, 1572, 1578, 1965, 1980, 2358, 2367, 2620, 2630, 2882, 2893, 3156, 3930, 3945, 4323, 4716, 4734, 5260, 5764, 5786, 5895, 7205, 7860, 7890, 8646, 8679, 9468, 11572, 11790, 11835, 12969, 14410, 14465, 15780, 17292, 17358, 21615, 23580, 23670, 25938, 26037, 28820, 28930, 34453, 34716, 43230, 43395, 47340, 51876, 52074, 57860, 64845, 68906, 86460, 86790, 103359, 104148, 129690, 130185, 137812, 172265, 173580, 206718, 259380, 260370, 310077, 344530, 378983, 413436, 516795, 520740, 620154, 689060, 757966, 1033590, 1136949, 1240308, 1515932, 1550385, 1894915, 2067180, 2273898, 3100770, 3410847, 3789830, 4547796, 5684745, 6201540, 6821694, 7579660, 11369490, 13643388, 17054235, 22738980, 34108470, 68216940]

約数ペア:

[(1, 68216940), (2, 34108470), (3, 22738980), (4, 17054235), (5, 13643388), (6, 11369490), (9, 7579660), (10, 6821694), (11, 6201540), (12, 5684745), (15, 4547796), (18, 3789830), (20, 3410847), (22, 3100770), (30, 2273898), (33, 2067180), (36, 1894915), (44, 1550385), (45, 1515932), (55, 1240308), (60, 1136949), (66, 1033590), (90, 757966), (99, 689060), (110, 620154), (131, 520740), (132, 516795), (165, 413436), (180, 378983), (198, 344530), (220, 310077), (262, 260370), (263, 259380), (330, 206718), (393, 173580), (396, 172265), (495, 137812), (524, 130185), (526, 129690), (655, 104148), (660, 103359), (786, 86790), (789, 86460), (990, 68906), (1052, 64845), (1179, 57860), (1310, 52074), (1315, 51876), (1441, 47340), (1572, 43395), (1578, 43230), (1965, 34716), (1980, 34453), (2358, 28930), (2367, 28820), (2620, 26037), (2630, 25938), (2882, 23670), (2893, 23580), (3156, 21615), (3930, 17358), (3945, 17292), (4323, 15780), (4716, 14465), (4734, 14410), (5260, 12969), (5764, 11835), (5786, 11790), (5895, 11572), (7205, 9468), (7860, 8679), (7890, 8646)]