161264880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^3\times {\mathrm{653}}^1$

素因数の和:693

約数の個数: 240

約数和(自身を含む): 632548800

約数和(自身を除く): 471283920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 343, 360, 392, 420, 441, 490, 504, 560, 588, 630, 653, 686, 720, 735, 784, 840, 882, 980, 1008, 1029, 1176, 1260, 1306, 1372, 1470, 1680, 1715, 1764, 1959, 1960, 2058, 2205, 2352, 2520, 2612, 2744, 2940, 3087, 3265, 3430, 3528, 3918, 3920, 4116, 4410, 4571, 5040, 5145, 5224, 5488, 5877, 5880, 6174, 6530, 6860, 7056, 7836, 8232, 8820, 9142, 9795, 10290, 10448, 11754, 11760, 12348, 13060, 13713, 13720, 15435, 15672, 16464, 17640, 18284, 19590, 20580, 22855, 23508, 24696, 26120, 27426, 27440, 29385, 30870, 31344, 31997, 35280, 36568, 39180, 41139, 41160, 45710, 47016, 49392, 52240, 54852, 58770, 61740, 63994, 68565, 73136, 78360, 82278, 82320, 91420, 94032, 95991, 109704, 117540, 123480, 127988, 137130, 156720, 159985, 164556, 182840, 191982, 205695, 219408, 223979, 235080, 246960, 255976, 274260, 287973, 319970, 329112, 365680, 383964, 411390, 447958, 470160, 479955, 511952, 548520, 575946, 639940, 658224, 671937, 767928, 822780, 895916, 959910, 1097040, 1119895, 1151892, 1279880, 1343874, 1439865, 1535856, 1645560, 1791832, 1919820, 2015811, 2239790, 2303784, 2559760, 2687748, 2879730, 3291120, 3359685, 3583664, 3839640, 4031622, 4479580, 4607568, 5375496, 5759460, 6719370, 7679280, 8063244, 8959160, 10079055, 10750992, 11518920, 13438740, 16126488, 17918320, 20158110, 23037840, 26877480, 32252976, 40316220, 53754960, 80632440, 161264880]

約数ペア:

[(1, 161264880), (2, 80632440), (3, 53754960), (4, 40316220), (5, 32252976), (6, 26877480), (7, 23037840), (8, 20158110), (9, 17918320), (10, 16126488), (12, 13438740), (14, 11518920), (15, 10750992), (16, 10079055), (18, 8959160), (20, 8063244), (21, 7679280), (24, 6719370), (28, 5759460), (30, 5375496), (35, 4607568), (36, 4479580), (40, 4031622), (42, 3839640), (45, 3583664), (48, 3359685), (49, 3291120), (56, 2879730), (60, 2687748), (63, 2559760), (70, 2303784), (72, 2239790), (80, 2015811), (84, 1919820), (90, 1791832), (98, 1645560), (105, 1535856), (112, 1439865), (120, 1343874), (126, 1279880), (140, 1151892), (144, 1119895), (147, 1097040), (168, 959910), (180, 895916), (196, 822780), (210, 767928), (240, 671937), (245, 658224), (252, 639940), (280, 575946), (294, 548520), (315, 511952), (336, 479955), (343, 470160), (360, 447958), (392, 411390), (420, 383964), (441, 365680), (490, 329112), (504, 319970), (560, 287973), (588, 274260), (630, 255976), (653, 246960), (686, 235080), (720, 223979), (735, 219408), (784, 205695), (840, 191982), (882, 182840), (980, 164556), (1008, 159985), (1029, 156720), (1176, 137130), (1260, 127988), (1306, 123480), (1372, 117540), (1470, 109704), (1680, 95991), (1715, 94032), (1764, 91420), (1959, 82320), (1960, 82278), (2058, 78360), (2205, 73136), (2352, 68565), (2520, 63994), (2612, 61740), (2744, 58770), (2940, 54852), (3087, 52240), (3265, 49392), (3430, 47016), (3528, 45710), (3918, 41160), (3920, 41139), (4116, 39180), (4410, 36568), (4571, 35280), (5040, 31997), (5145, 31344), (5224, 30870), (5488, 29385), (5877, 27440), (5880, 27426), (6174, 26120), (6530, 24696), (6860, 23508), (7056, 22855), (7836, 20580), (8232, 19590), (8820, 18284), (9142, 17640), (9795, 16464), (10290, 15672), (10448, 15435), (11754, 13720), (11760, 13713), (12348, 13060)]