68655664

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:471

約数の個数: 120

約数和(自身を含む): 178113600

約数和(自身を除く): 109457936

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 49, 56, 76, 77, 88, 98, 112, 133, 152, 154, 176, 196, 209, 266, 304, 308, 392, 418, 419, 532, 539, 616, 784, 836, 838, 931, 1064, 1078, 1232, 1463, 1672, 1676, 1862, 2128, 2156, 2926, 2933, 3344, 3352, 3724, 4312, 4609, 5852, 5866, 6704, 7448, 7961, 8624, 9218, 10241, 11704, 11732, 14896, 15922, 18436, 20482, 20531, 23408, 23464, 31844, 32263, 36872, 40964, 41062, 46928, 55727, 63688, 64526, 73744, 81928, 82124, 87571, 111454, 127376, 129052, 163856, 164248, 175142, 222908, 225841, 258104, 328496, 350284, 390089, 445816, 451682, 516208, 612997, 700568, 780178, 891632, 903364, 1225994, 1401136, 1560356, 1806728, 2451988, 3120712, 3613456, 4290979, 4903976, 6241424, 8581958, 9807952, 17163916, 34327832, 68655664]

約数ペア:

[(1, 68655664), (2, 34327832), (4, 17163916), (7, 9807952), (8, 8581958), (11, 6241424), (14, 4903976), (16, 4290979), (19, 3613456), (22, 3120712), (28, 2451988), (38, 1806728), (44, 1560356), (49, 1401136), (56, 1225994), (76, 903364), (77, 891632), (88, 780178), (98, 700568), (112, 612997), (133, 516208), (152, 451682), (154, 445816), (176, 390089), (196, 350284), (209, 328496), (266, 258104), (304, 225841), (308, 222908), (392, 175142), (418, 164248), (419, 163856), (532, 129052), (539, 127376), (616, 111454), (784, 87571), (836, 82124), (838, 81928), (931, 73744), (1064, 64526), (1078, 63688), (1232, 55727), (1463, 46928), (1672, 41062), (1676, 40964), (1862, 36872), (2128, 32263), (2156, 31844), (2926, 23464), (2933, 23408), (3344, 20531), (3352, 20482), (3724, 18436), (4312, 15922), (4609, 14896), (5852, 11732), (5866, 11704), (6704, 10241), (7448, 9218), (7961, 8624)]