221429040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1040

約数の個数: 240

約数和(自身を含む): 841374720

約数和(自身を除く): 619945680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 49, 56, 57, 60, 70, 76, 80, 84, 95, 98, 105, 112, 114, 120, 133, 140, 147, 152, 168, 190, 196, 210, 228, 240, 245, 266, 280, 285, 294, 304, 336, 380, 392, 399, 420, 456, 490, 532, 560, 570, 588, 665, 735, 760, 784, 798, 840, 912, 931, 980, 991, 1064, 1140, 1176, 1330, 1470, 1520, 1596, 1680, 1862, 1960, 1982, 1995, 2128, 2280, 2352, 2660, 2793, 2940, 2973, 3192, 3724, 3920, 3964, 3990, 4560, 4655, 4955, 5320, 5586, 5880, 5946, 6384, 6937, 7448, 7928, 7980, 9310, 9910, 10640, 11172, 11760, 11892, 13874, 13965, 14865, 14896, 15856, 15960, 18620, 18829, 19820, 20811, 22344, 23784, 27748, 27930, 29730, 31920, 34685, 37240, 37658, 39640, 41622, 44688, 47568, 48559, 55496, 55860, 56487, 59460, 69370, 74480, 75316, 79280, 83244, 94145, 97118, 104055, 110992, 111720, 112974, 118920, 131803, 138740, 145677, 150632, 166488, 188290, 194236, 208110, 223440, 225948, 237840, 242795, 263606, 277480, 282435, 291354, 301264, 332976, 376580, 388472, 395409, 416220, 451896, 485590, 527212, 554960, 564870, 582708, 659015, 728385, 753160, 776944, 790818, 832440, 903792, 922621, 971180, 1054424, 1129740, 1165416, 1318030, 1456770, 1506320, 1581636, 1664880, 1845242, 1942360, 1977045, 2108848, 2259480, 2330832, 2636060, 2767863, 2913540, 3163272, 3690484, 3884720, 3954090, 4518960, 4613105, 5272120, 5535726, 5827080, 6326544, 7380968, 7908180, 9226210, 10544240, 11071452, 11654160, 13839315, 14761936, 15816360, 18452420, 22142904, 27678630, 31632720, 36904840, 44285808, 55357260, 73809680, 110714520, 221429040]

約数ペア:

[(1, 221429040), (2, 110714520), (3, 73809680), (4, 55357260), (5, 44285808), (6, 36904840), (7, 31632720), (8, 27678630), (10, 22142904), (12, 18452420), (14, 15816360), (15, 14761936), (16, 13839315), (19, 11654160), (20, 11071452), (21, 10544240), (24, 9226210), (28, 7908180), (30, 7380968), (35, 6326544), (38, 5827080), (40, 5535726), (42, 5272120), (48, 4613105), (49, 4518960), (56, 3954090), (57, 3884720), (60, 3690484), (70, 3163272), (76, 2913540), (80, 2767863), (84, 2636060), (95, 2330832), (98, 2259480), (105, 2108848), (112, 1977045), (114, 1942360), (120, 1845242), (133, 1664880), (140, 1581636), (147, 1506320), (152, 1456770), (168, 1318030), (190, 1165416), (196, 1129740), (210, 1054424), (228, 971180), (240, 922621), (245, 903792), (266, 832440), (280, 790818), (285, 776944), (294, 753160), (304, 728385), (336, 659015), (380, 582708), (392, 564870), (399, 554960), (420, 527212), (456, 485590), (490, 451896), (532, 416220), (560, 395409), (570, 388472), (588, 376580), (665, 332976), (735, 301264), (760, 291354), (784, 282435), (798, 277480), (840, 263606), (912, 242795), (931, 237840), (980, 225948), (991, 223440), (1064, 208110), (1140, 194236), (1176, 188290), (1330, 166488), (1470, 150632), (1520, 145677), (1596, 138740), (1680, 131803), (1862, 118920), (1960, 112974), (1982, 111720), (1995, 110992), (2128, 104055), (2280, 97118), (2352, 94145), (2660, 83244), (2793, 79280), (2940, 75316), (2973, 74480), (3192, 69370), (3724, 59460), (3920, 56487), (3964, 55860), (3990, 55496), (4560, 48559), (4655, 47568), (4955, 44688), (5320, 41622), (5586, 39640), (5880, 37658), (5946, 37240), (6384, 34685), (6937, 31920), (7448, 29730), (7928, 27930), (7980, 27748), (9310, 23784), (9910, 22344), (10640, 20811), (11172, 19820), (11760, 18829), (11892, 18620), (13874, 15960), (13965, 15856), (14865, 14896)]