1280628720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{36299}}^1$

素因数の和:36332

約数の個数: 180

約数和(自身を含む): 5003083800

約数和(自身を除く): 3722455080

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, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5880, 7056, 8820, 11760, 17640, 35280, 36299, 72598, 108897, 145196, 181495, 217794, 254093, 290392, 326691, 362990, 435588, 508186, 544485, 580784, 653382, 725980, 762279, 871176, 1016372, 1088970, 1270465, 1306764, 1451960, 1524558, 1633455, 1742352, 1778651, 2032744, 2177940, 2286837, 2540930, 2613528, 2903920, 3049116, 3266910, 3557302, 3811395, 4065488, 4355880, 4573674, 5081860, 5227056, 5335953, 6098232, 6533820, 7114604, 7622790, 8711760, 8893255, 9147348, 10163720, 10671906, 11434185, 12196464, 13067640, 14229208, 15245580, 16007859, 17786510, 18294696, 20327440, 21343812, 22868370, 26135280, 26679765, 28458416, 30491160, 32015718, 35573020, 36589392, 42687624, 45736740, 53359530, 60982320, 64031436, 71146040, 80039295, 85375248, 91473480, 106719060, 128062872, 142292080, 160078590, 182946960, 213438120, 256125744, 320157180, 426876240, 640314360, 1280628720]

約数ペア:

[(1, 1280628720), (2, 640314360), (3, 426876240), (4, 320157180), (5, 256125744), (6, 213438120), (7, 182946960), (8, 160078590), (9, 142292080), (10, 128062872), (12, 106719060), (14, 91473480), (15, 85375248), (16, 80039295), (18, 71146040), (20, 64031436), (21, 60982320), (24, 53359530), (28, 45736740), (30, 42687624), (35, 36589392), (36, 35573020), (40, 32015718), (42, 30491160), (45, 28458416), (48, 26679765), (49, 26135280), (56, 22868370), (60, 21343812), (63, 20327440), (70, 18294696), (72, 17786510), (80, 16007859), (84, 15245580), (90, 14229208), (98, 13067640), (105, 12196464), (112, 11434185), (120, 10671906), (126, 10163720), (140, 9147348), (144, 8893255), (147, 8711760), (168, 7622790), (180, 7114604), (196, 6533820), (210, 6098232), (240, 5335953), (245, 5227056), (252, 5081860), (280, 4573674), (294, 4355880), (315, 4065488), (336, 3811395), (360, 3557302), (392, 3266910), (420, 3049116), (441, 2903920), (490, 2613528), (504, 2540930), (560, 2286837), (588, 2177940), (630, 2032744), (720, 1778651), (735, 1742352), (784, 1633455), (840, 1524558), (882, 1451960), (980, 1306764), (1008, 1270465), (1176, 1088970), (1260, 1016372), (1470, 871176), (1680, 762279), (1764, 725980), (1960, 653382), (2205, 580784), (2352, 544485), (2520, 508186), (2940, 435588), (3528, 362990), (3920, 326691), (4410, 290392), (5040, 254093), (5880, 217794), (7056, 181495), (8820, 145196), (11760, 108897), (17640, 72598), (35280, 36299)]