395847680

素因数分解:

$2^{11}\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:130

約数の個数: 192

約数和(自身を含む): 1037836800

約数和(自身を除く): 641989120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 43, 58, 62, 64, 80, 86, 116, 124, 128, 145, 155, 160, 172, 215, 232, 248, 256, 290, 310, 320, 344, 430, 464, 496, 512, 580, 620, 640, 688, 860, 899, 928, 992, 1024, 1160, 1240, 1247, 1280, 1333, 1376, 1720, 1798, 1856, 1984, 2048, 2320, 2480, 2494, 2560, 2666, 2752, 3440, 3596, 3712, 3968, 4495, 4640, 4960, 4988, 5120, 5332, 5504, 6235, 6665, 6880, 7192, 7424, 7936, 8990, 9280, 9920, 9976, 10240, 10664, 11008, 12470, 13330, 13760, 14384, 14848, 15872, 17980, 18560, 19840, 19952, 21328, 22016, 24940, 26660, 27520, 28768, 29696, 31744, 35960, 37120, 38657, 39680, 39904, 42656, 44032, 49880, 53320, 55040, 57536, 59392, 63488, 71920, 74240, 77314, 79360, 79808, 85312, 88064, 99760, 106640, 110080, 115072, 143840, 148480, 154628, 158720, 159616, 170624, 193285, 199520, 213280, 220160, 230144, 287680, 296960, 309256, 317440, 319232, 341248, 386570, 399040, 426560, 440320, 460288, 575360, 618512, 638464, 682496, 773140, 798080, 853120, 920576, 1150720, 1237024, 1276928, 1364992, 1546280, 1596160, 1706240, 1841152, 2301440, 2474048, 2553856, 2729984, 3092560, 3192320, 3412480, 4602880, 4948096, 6185120, 6384640, 6824960, 9205760, 9896192, 12370240, 12769280, 13649920, 19792384, 24740480, 39584768, 49480960, 79169536, 98961920, 197923840, 395847680]

約数ペア:

[(1, 395847680), (2, 197923840), (4, 98961920), (5, 79169536), (8, 49480960), (10, 39584768), (16, 24740480), (20, 19792384), (29, 13649920), (31, 12769280), (32, 12370240), (40, 9896192), (43, 9205760), (58, 6824960), (62, 6384640), (64, 6185120), (80, 4948096), (86, 4602880), (116, 3412480), (124, 3192320), (128, 3092560), (145, 2729984), (155, 2553856), (160, 2474048), (172, 2301440), (215, 1841152), (232, 1706240), (248, 1596160), (256, 1546280), (290, 1364992), (310, 1276928), (320, 1237024), (344, 1150720), (430, 920576), (464, 853120), (496, 798080), (512, 773140), (580, 682496), (620, 638464), (640, 618512), (688, 575360), (860, 460288), (899, 440320), (928, 426560), (992, 399040), (1024, 386570), (1160, 341248), (1240, 319232), (1247, 317440), (1280, 309256), (1333, 296960), (1376, 287680), (1720, 230144), (1798, 220160), (1856, 213280), (1984, 199520), (2048, 193285), (2320, 170624), (2480, 159616), (2494, 158720), (2560, 154628), (2666, 148480), (2752, 143840), (3440, 115072), (3596, 110080), (3712, 106640), (3968, 99760), (4495, 88064), (4640, 85312), (4960, 79808), (4988, 79360), (5120, 77314), (5332, 74240), (5504, 71920), (6235, 63488), (6665, 59392), (6880, 57536), (7192, 55040), (7424, 53320), (7936, 49880), (8990, 44032), (9280, 42656), (9920, 39904), (9976, 39680), (10240, 38657), (10664, 37120), (11008, 35960), (12470, 31744), (13330, 29696), (13760, 28768), (14384, 27520), (14848, 26660), (15872, 24940), (17980, 22016), (18560, 21328), (19840, 19952)]