321902560

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2161}}^1$

素因数の和:2209

約数の個数: 144

約数和(自身を含む): 931649040

約数和(自身を除く): 609746480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 490, 532, 560, 608, 665, 760, 784, 931, 980, 1064, 1120, 1330, 1520, 1568, 1862, 1960, 2128, 2161, 2660, 3040, 3724, 3920, 4256, 4322, 4655, 5320, 7448, 7840, 8644, 9310, 10640, 10805, 14896, 15127, 17288, 18620, 21280, 21610, 29792, 30254, 34576, 37240, 41059, 43220, 60508, 69152, 74480, 75635, 82118, 86440, 105889, 121016, 148960, 151270, 164236, 172880, 205295, 211778, 242032, 287413, 302540, 328472, 345760, 410590, 423556, 484064, 529445, 574826, 605080, 656944, 821180, 847112, 1058890, 1149652, 1210160, 1313888, 1437065, 1642360, 1694224, 2011891, 2117780, 2299304, 2420320, 2874130, 3284720, 3388448, 4023782, 4235560, 4598608, 5748260, 6569440, 8047564, 8471120, 9197216, 10059455, 11496520, 16095128, 16942240, 20118910, 22993040, 32190256, 40237820, 45986080, 64380512, 80475640, 160951280, 321902560]

約数ペア:

[(1, 321902560), (2, 160951280), (4, 80475640), (5, 64380512), (7, 45986080), (8, 40237820), (10, 32190256), (14, 22993040), (16, 20118910), (19, 16942240), (20, 16095128), (28, 11496520), (32, 10059455), (35, 9197216), (38, 8471120), (40, 8047564), (49, 6569440), (56, 5748260), (70, 4598608), (76, 4235560), (80, 4023782), (95, 3388448), (98, 3284720), (112, 2874130), (133, 2420320), (140, 2299304), (152, 2117780), (160, 2011891), (190, 1694224), (196, 1642360), (224, 1437065), (245, 1313888), (266, 1210160), (280, 1149652), (304, 1058890), (380, 847112), (392, 821180), (490, 656944), (532, 605080), (560, 574826), (608, 529445), (665, 484064), (760, 423556), (784, 410590), (931, 345760), (980, 328472), (1064, 302540), (1120, 287413), (1330, 242032), (1520, 211778), (1568, 205295), (1862, 172880), (1960, 164236), (2128, 151270), (2161, 148960), (2660, 121016), (3040, 105889), (3724, 86440), (3920, 82118), (4256, 75635), (4322, 74480), (4655, 69152), (5320, 60508), (7448, 43220), (7840, 41059), (8644, 37240), (9310, 34576), (10640, 30254), (10805, 29792), (14896, 21610), (15127, 21280), (17288, 18620)]