20121406080

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{433}}^1\times {\mathrm{24203}}^1$

素因数の和:24658

約数の個数: 128

約数和(自身を含む): 64287760320

約数和(自身を除く): 44166354240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 433, 480, 640, 866, 960, 1299, 1732, 1920, 2165, 2598, 3464, 4330, 5196, 6495, 6928, 8660, 10392, 12990, 13856, 17320, 20784, 24203, 25980, 27712, 34640, 41568, 48406, 51960, 55424, 69280, 72609, 83136, 96812, 103920, 121015, 138560, 145218, 166272, 193624, 207840, 242030, 277120, 290436, 363045, 387248, 415680, 484060, 580872, 726090, 774496, 831360, 968120, 1161744, 1452180, 1548992, 1936240, 2323488, 2904360, 3097984, 3872480, 4646976, 5808720, 7744960, 9293952, 10479899, 11617440, 15489920, 20959798, 23234880, 31439697, 41919596, 46469760, 52399495, 62879394, 83839192, 104798990, 125758788, 157198485, 167678384, 209597980, 251517576, 314396970, 335356768, 419195960, 503035152, 628793940, 670713536, 838391920, 1006070304, 1257587880, 1341427072, 1676783840, 2012140608, 2515175760, 3353567680, 4024281216, 5030351520, 6707135360, 10060703040, 20121406080]

約数ペア:

[(1, 20121406080), (2, 10060703040), (3, 6707135360), (4, 5030351520), (5, 4024281216), (6, 3353567680), (8, 2515175760), (10, 2012140608), (12, 1676783840), (15, 1341427072), (16, 1257587880), (20, 1006070304), (24, 838391920), (30, 670713536), (32, 628793940), (40, 503035152), (48, 419195960), (60, 335356768), (64, 314396970), (80, 251517576), (96, 209597980), (120, 167678384), (128, 157198485), (160, 125758788), (192, 104798990), (240, 83839192), (320, 62879394), (384, 52399495), (433, 46469760), (480, 41919596), (640, 31439697), (866, 23234880), (960, 20959798), (1299, 15489920), (1732, 11617440), (1920, 10479899), (2165, 9293952), (2598, 7744960), (3464, 5808720), (4330, 4646976), (5196, 3872480), (6495, 3097984), (6928, 2904360), (8660, 2323488), (10392, 1936240), (12990, 1548992), (13856, 1452180), (17320, 1161744), (20784, 968120), (24203, 831360), (25980, 774496), (27712, 726090), (34640, 580872), (41568, 484060), (48406, 415680), (51960, 387248), (55424, 363045), (69280, 290436), (72609, 277120), (83136, 242030), (96812, 207840), (103920, 193624), (121015, 166272), (138560, 145218)]