131327280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:464

約数の個数: 240

約数和(自身を含む): 512538624

約数和(自身を除く): 381211344

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, 56, 60, 63, 70, 71, 72, 80, 84, 90, 105, 112, 120, 126, 140, 142, 144, 168, 180, 210, 213, 240, 252, 280, 284, 315, 336, 355, 360, 367, 420, 426, 497, 504, 560, 568, 630, 639, 710, 720, 734, 840, 852, 994, 1008, 1065, 1101, 1136, 1260, 1278, 1420, 1468, 1491, 1680, 1704, 1835, 1988, 2130, 2202, 2485, 2520, 2556, 2569, 2840, 2936, 2982, 3195, 3303, 3408, 3670, 3976, 4260, 4404, 4473, 4970, 5040, 5112, 5138, 5505, 5680, 5872, 5964, 6390, 6606, 7340, 7455, 7707, 7952, 8520, 8808, 8946, 9940, 10224, 10276, 11010, 11928, 12780, 12845, 13212, 14680, 14910, 15414, 16515, 17040, 17616, 17892, 19880, 20552, 22020, 22365, 23121, 23856, 25560, 25690, 26057, 26424, 29360, 29820, 30828, 33030, 35784, 38535, 39760, 41104, 44040, 44730, 46242, 51120, 51380, 52114, 52848, 59640, 61656, 66060, 71568, 77070, 78171, 88080, 89460, 92484, 102760, 104228, 115605, 119280, 123312, 130285, 132120, 154140, 156342, 178920, 182399, 184968, 205520, 208456, 231210, 234513, 260570, 264240, 308280, 312684, 357840, 364798, 369936, 390855, 416912, 462420, 469026, 521140, 547197, 616560, 625368, 729596, 781710, 911995, 924840, 938052, 1042280, 1094394, 1172565, 1250736, 1459192, 1563420, 1641591, 1823990, 1849680, 1876104, 2084560, 2188788, 2345130, 2735985, 2918384, 3126840, 3283182, 3647980, 3752208, 4377576, 4690260, 5471970, 6253680, 6566364, 7295960, 8207955, 8755152, 9380520, 10943940, 13132728, 14591920, 16415910, 18761040, 21887880, 26265456, 32831820, 43775760, 65663640, 131327280]

約数ペア:

[(1, 131327280), (2, 65663640), (3, 43775760), (4, 32831820), (5, 26265456), (6, 21887880), (7, 18761040), (8, 16415910), (9, 14591920), (10, 13132728), (12, 10943940), (14, 9380520), (15, 8755152), (16, 8207955), (18, 7295960), (20, 6566364), (21, 6253680), (24, 5471970), (28, 4690260), (30, 4377576), (35, 3752208), (36, 3647980), (40, 3283182), (42, 3126840), (45, 2918384), (48, 2735985), (56, 2345130), (60, 2188788), (63, 2084560), (70, 1876104), (71, 1849680), (72, 1823990), (80, 1641591), (84, 1563420), (90, 1459192), (105, 1250736), (112, 1172565), (120, 1094394), (126, 1042280), (140, 938052), (142, 924840), (144, 911995), (168, 781710), (180, 729596), (210, 625368), (213, 616560), (240, 547197), (252, 521140), (280, 469026), (284, 462420), (315, 416912), (336, 390855), (355, 369936), (360, 364798), (367, 357840), (420, 312684), (426, 308280), (497, 264240), (504, 260570), (560, 234513), (568, 231210), (630, 208456), (639, 205520), (710, 184968), (720, 182399), (734, 178920), (840, 156342), (852, 154140), (994, 132120), (1008, 130285), (1065, 123312), (1101, 119280), (1136, 115605), (1260, 104228), (1278, 102760), (1420, 92484), (1468, 89460), (1491, 88080), (1680, 78171), (1704, 77070), (1835, 71568), (1988, 66060), (2130, 61656), (2202, 59640), (2485, 52848), (2520, 52114), (2556, 51380), (2569, 51120), (2840, 46242), (2936, 44730), (2982, 44040), (3195, 41104), (3303, 39760), (3408, 38535), (3670, 35784), (3976, 33030), (4260, 30828), (4404, 29820), (4473, 29360), (4970, 26424), (5040, 26057), (5112, 25690), (5138, 25560), (5505, 23856), (5680, 23121), (5872, 22365), (5964, 22020), (6390, 20552), (6606, 19880), (7340, 17892), (7455, 17616), (7707, 17040), (7952, 16515), (8520, 15414), (8808, 14910), (8946, 14680), (9940, 13212), (10224, 12845), (10276, 12780), (11010, 11928)]