55357260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1036

約数の個数: 144

約数和(自身を含む): 189987840

約数和(自身を除く): 134630580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 991, 1140, 1330, 1470, 1596, 1862, 1982, 1995, 2660, 2793, 2940, 2973, 3724, 3964, 3990, 4655, 4955, 5586, 5946, 6937, 7980, 9310, 9910, 11172, 11892, 13874, 13965, 14865, 18620, 18829, 19820, 20811, 27748, 27930, 29730, 34685, 37658, 41622, 48559, 55860, 56487, 59460, 69370, 75316, 83244, 94145, 97118, 104055, 112974, 131803, 138740, 145677, 188290, 194236, 208110, 225948, 242795, 263606, 282435, 291354, 376580, 395409, 416220, 485590, 527212, 564870, 582708, 659015, 728385, 790818, 922621, 971180, 1129740, 1318030, 1456770, 1581636, 1845242, 1977045, 2636060, 2767863, 2913540, 3690484, 3954090, 4613105, 5535726, 7908180, 9226210, 11071452, 13839315, 18452420, 27678630, 55357260]

約数ペア:

[(1, 55357260), (2, 27678630), (3, 18452420), (4, 13839315), (5, 11071452), (6, 9226210), (7, 7908180), (10, 5535726), (12, 4613105), (14, 3954090), (15, 3690484), (19, 2913540), (20, 2767863), (21, 2636060), (28, 1977045), (30, 1845242), (35, 1581636), (38, 1456770), (42, 1318030), (49, 1129740), (57, 971180), (60, 922621), (70, 790818), (76, 728385), (84, 659015), (95, 582708), (98, 564870), (105, 527212), (114, 485590), (133, 416220), (140, 395409), (147, 376580), (190, 291354), (196, 282435), (210, 263606), (228, 242795), (245, 225948), (266, 208110), (285, 194236), (294, 188290), (380, 145677), (399, 138740), (420, 131803), (490, 112974), (532, 104055), (570, 97118), (588, 94145), (665, 83244), (735, 75316), (798, 69370), (931, 59460), (980, 56487), (991, 55860), (1140, 48559), (1330, 41622), (1470, 37658), (1596, 34685), (1862, 29730), (1982, 27930), (1995, 27748), (2660, 20811), (2793, 19820), (2940, 18829), (2973, 18620), (3724, 14865), (3964, 13965), (3990, 13874), (4655, 11892), (4955, 11172), (5586, 9910), (5946, 9310), (6937, 7980)]