20796124160

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1531}}^1$

素因数の和:1942

約数の個数: 176

約数和(自身を含む): 57200712960

約数和(自身を除く): 36404588800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 379, 448, 512, 560, 640, 758, 896, 1024, 1120, 1280, 1516, 1531, 1792, 1895, 2240, 2560, 2653, 3032, 3062, 3584, 3790, 4480, 5120, 5306, 6064, 6124, 7168, 7580, 7655, 8960, 10612, 10717, 12128, 12248, 13265, 15160, 15310, 17920, 21224, 21434, 24256, 24496, 26530, 30320, 30620, 35840, 42448, 42868, 48512, 48992, 53060, 53585, 60640, 61240, 84896, 85736, 97024, 97984, 106120, 107170, 121280, 122480, 169792, 171472, 194048, 195968, 212240, 214340, 242560, 244960, 339584, 342944, 388096, 391936, 424480, 428680, 485120, 489920, 580249, 679168, 685888, 783872, 848960, 857360, 970240, 979840, 1160498, 1358336, 1371776, 1567744, 1697920, 1714720, 1940480, 1959680, 2320996, 2716672, 2743552, 2901245, 3395840, 3429440, 3919360, 4061743, 4641992, 5487104, 5802490, 6791680, 6858880, 7838720, 8123486, 9283984, 10974208, 11604980, 13583360, 13717760, 16246972, 18567968, 20308715, 23209960, 27435520, 32493944, 37135936, 40617430, 46419920, 54871040, 64987888, 74271872, 81234860, 92839840, 129975776, 148543744, 162469720, 185679680, 259951552, 297087488, 324939440, 371359360, 519903104, 594174976, 649878880, 742718720, 1039806208, 1299757760, 1485437440, 2079612416, 2599515520, 2970874880, 4159224832, 5199031040, 10398062080, 20796124160]

約数ペア:

[(1, 20796124160), (2, 10398062080), (4, 5199031040), (5, 4159224832), (7, 2970874880), (8, 2599515520), (10, 2079612416), (14, 1485437440), (16, 1299757760), (20, 1039806208), (28, 742718720), (32, 649878880), (35, 594174976), (40, 519903104), (56, 371359360), (64, 324939440), (70, 297087488), (80, 259951552), (112, 185679680), (128, 162469720), (140, 148543744), (160, 129975776), (224, 92839840), (256, 81234860), (280, 74271872), (320, 64987888), (379, 54871040), (448, 46419920), (512, 40617430), (560, 37135936), (640, 32493944), (758, 27435520), (896, 23209960), (1024, 20308715), (1120, 18567968), (1280, 16246972), (1516, 13717760), (1531, 13583360), (1792, 11604980), (1895, 10974208), (2240, 9283984), (2560, 8123486), (2653, 7838720), (3032, 6858880), (3062, 6791680), (3584, 5802490), (3790, 5487104), (4480, 4641992), (5120, 4061743), (5306, 3919360), (6064, 3429440), (6124, 3395840), (7168, 2901245), (7580, 2743552), (7655, 2716672), (8960, 2320996), (10612, 1959680), (10717, 1940480), (12128, 1714720), (12248, 1697920), (13265, 1567744), (15160, 1371776), (15310, 1358336), (17920, 1160498), (21224, 979840), (21434, 970240), (24256, 857360), (24496, 848960), (26530, 783872), (30320, 685888), (30620, 679168), (35840, 580249), (42448, 489920), (42868, 485120), (48512, 428680), (48992, 424480), (53060, 391936), (53585, 388096), (60640, 342944), (61240, 339584), (84896, 244960), (85736, 242560), (97024, 214340), (97984, 212240), (106120, 195968), (107170, 194048), (121280, 171472), (122480, 169792)]