64820140

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{859}}^1$

素因数の和:900

約数の個数: 96

約数和(自身を含む): 173376000

約数和(自身を除く): 108555860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 343, 385, 490, 539, 686, 770, 859, 980, 1078, 1372, 1540, 1715, 1718, 2156, 2695, 3430, 3436, 3773, 4295, 5390, 6013, 6860, 7546, 8590, 9449, 10780, 12026, 15092, 17180, 18865, 18898, 24052, 30065, 37730, 37796, 42091, 47245, 60130, 66143, 75460, 84182, 94490, 120260, 132286, 168364, 188980, 210455, 264572, 294637, 330715, 420910, 463001, 589274, 661430, 841820, 926002, 1178548, 1322860, 1473185, 1852004, 2315005, 2946370, 3241007, 4630010, 5892740, 6482014, 9260020, 12964028, 16205035, 32410070, 64820140]

約数ペア:

[(1, 64820140), (2, 32410070), (4, 16205035), (5, 12964028), (7, 9260020), (10, 6482014), (11, 5892740), (14, 4630010), (20, 3241007), (22, 2946370), (28, 2315005), (35, 1852004), (44, 1473185), (49, 1322860), (55, 1178548), (70, 926002), (77, 841820), (98, 661430), (110, 589274), (140, 463001), (154, 420910), (196, 330715), (220, 294637), (245, 264572), (308, 210455), (343, 188980), (385, 168364), (490, 132286), (539, 120260), (686, 94490), (770, 84182), (859, 75460), (980, 66143), (1078, 60130), (1372, 47245), (1540, 42091), (1715, 37796), (1718, 37730), (2156, 30065), (2695, 24052), (3430, 18898), (3436, 18865), (3773, 17180), (4295, 15092), (5390, 12026), (6013, 10780), (6860, 9449), (7546, 8590)]