168247640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:393

約数の個数: 128

約数和(自身を含む): 444165120

約数和(自身を除く): 275917480

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 83, 85, 88, 110, 136, 166, 170, 187, 220, 271, 332, 340, 374, 415, 440, 542, 664, 680, 748, 830, 913, 935, 1084, 1355, 1411, 1496, 1660, 1826, 1870, 2168, 2710, 2822, 2981, 3320, 3652, 3740, 4565, 4607, 5420, 5644, 5962, 7055, 7304, 7480, 9130, 9214, 10840, 11288, 11924, 14110, 14905, 15521, 18260, 18428, 22493, 23035, 23848, 28220, 29810, 31042, 36520, 36856, 44986, 46070, 50677, 56440, 59620, 62084, 77605, 89972, 92140, 101354, 112465, 119240, 124168, 155210, 179944, 184280, 202708, 224930, 247423, 253385, 310420, 382381, 405416, 449860, 494846, 506770, 620840, 764762, 899720, 989692, 1013540, 1237115, 1529524, 1911905, 1979384, 2027080, 2474230, 3059048, 3823810, 4206191, 4948460, 7647620, 8412382, 9896920, 15295240, 16824764, 21030955, 33649528, 42061910, 84123820, 168247640]

約数ペア:

[(1, 168247640), (2, 84123820), (4, 42061910), (5, 33649528), (8, 21030955), (10, 16824764), (11, 15295240), (17, 9896920), (20, 8412382), (22, 7647620), (34, 4948460), (40, 4206191), (44, 3823810), (55, 3059048), (68, 2474230), (83, 2027080), (85, 1979384), (88, 1911905), (110, 1529524), (136, 1237115), (166, 1013540), (170, 989692), (187, 899720), (220, 764762), (271, 620840), (332, 506770), (340, 494846), (374, 449860), (415, 405416), (440, 382381), (542, 310420), (664, 253385), (680, 247423), (748, 224930), (830, 202708), (913, 184280), (935, 179944), (1084, 155210), (1355, 124168), (1411, 119240), (1496, 112465), (1660, 101354), (1826, 92140), (1870, 89972), (2168, 77605), (2710, 62084), (2822, 59620), (2981, 56440), (3320, 50677), (3652, 46070), (3740, 44986), (4565, 36856), (4607, 36520), (5420, 31042), (5644, 29810), (5962, 28220), (7055, 23848), (7304, 23035), (7480, 22493), (9130, 18428), (9214, 18260), (10840, 15521), (11288, 14905), (11924, 14110)]