166071780

素因数分解:

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

素因数の和:1039

約数の個数: 216

約数和(自身を含む): 617460480

約数和(自身を除く): 451388700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 49, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 114, 126, 133, 140, 147, 171, 180, 190, 196, 210, 228, 245, 252, 266, 285, 294, 315, 342, 380, 399, 420, 441, 490, 532, 570, 588, 630, 665, 684, 735, 798, 855, 882, 931, 980, 991, 1140, 1197, 1260, 1330, 1470, 1596, 1710, 1764, 1862, 1982, 1995, 2205, 2394, 2660, 2793, 2940, 2973, 3420, 3724, 3964, 3990, 4410, 4655, 4788, 4955, 5586, 5946, 5985, 6937, 7980, 8379, 8820, 8919, 9310, 9910, 11172, 11892, 11970, 13874, 13965, 14865, 16758, 17838, 18620, 18829, 19820, 20811, 23940, 27748, 27930, 29730, 33516, 34685, 35676, 37658, 41622, 41895, 44595, 48559, 55860, 56487, 59460, 62433, 69370, 75316, 83244, 83790, 89190, 94145, 97118, 104055, 112974, 124866, 131803, 138740, 145677, 167580, 169461, 178380, 188290, 194236, 208110, 225948, 242795, 249732, 263606, 282435, 291354, 312165, 338922, 376580, 395409, 416220, 437031, 485590, 527212, 564870, 582708, 624330, 659015, 677844, 728385, 790818, 847305, 874062, 922621, 971180, 1129740, 1186227, 1248660, 1318030, 1456770, 1581636, 1694610, 1748124, 1845242, 1977045, 2185155, 2372454, 2636060, 2767863, 2913540, 3389220, 3690484, 3954090, 4370310, 4613105, 4744908, 5535726, 5931135, 7908180, 8303589, 8740620, 9226210, 11071452, 11862270, 13839315, 16607178, 18452420, 23724540, 27678630, 33214356, 41517945, 55357260, 83035890, 166071780]

約数ペア:

[(1, 166071780), (2, 83035890), (3, 55357260), (4, 41517945), (5, 33214356), (6, 27678630), (7, 23724540), (9, 18452420), (10, 16607178), (12, 13839315), (14, 11862270), (15, 11071452), (18, 9226210), (19, 8740620), (20, 8303589), (21, 7908180), (28, 5931135), (30, 5535726), (35, 4744908), (36, 4613105), (38, 4370310), (42, 3954090), (45, 3690484), (49, 3389220), (57, 2913540), (60, 2767863), (63, 2636060), (70, 2372454), (76, 2185155), (84, 1977045), (90, 1845242), (95, 1748124), (98, 1694610), (105, 1581636), (114, 1456770), (126, 1318030), (133, 1248660), (140, 1186227), (147, 1129740), (171, 971180), (180, 922621), (190, 874062), (196, 847305), (210, 790818), (228, 728385), (245, 677844), (252, 659015), (266, 624330), (285, 582708), (294, 564870), (315, 527212), (342, 485590), (380, 437031), (399, 416220), (420, 395409), (441, 376580), (490, 338922), (532, 312165), (570, 291354), (588, 282435), (630, 263606), (665, 249732), (684, 242795), (735, 225948), (798, 208110), (855, 194236), (882, 188290), (931, 178380), (980, 169461), (991, 167580), (1140, 145677), (1197, 138740), (1260, 131803), (1330, 124866), (1470, 112974), (1596, 104055), (1710, 97118), (1764, 94145), (1862, 89190), (1982, 83790), (1995, 83244), (2205, 75316), (2394, 69370), (2660, 62433), (2793, 59460), (2940, 56487), (2973, 55860), (3420, 48559), (3724, 44595), (3964, 41895), (3990, 41622), (4410, 37658), (4655, 35676), (4788, 34685), (4955, 33516), (5586, 29730), (5946, 27930), (5985, 27748), (6937, 23940), (7980, 20811), (8379, 19820), (8820, 18829), (8919, 18620), (9310, 17838), (9910, 16758), (11172, 14865), (11892, 13965), (11970, 13874)]