20156160

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:234

約数の個数: 144

約数和(自身を含む): 66961440

約数和(自身を除く): 46805280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 128, 145, 160, 174, 181, 192, 232, 240, 256, 290, 320, 348, 362, 384, 435, 464, 480, 543, 580, 640, 696, 724, 768, 870, 905, 928, 960, 1086, 1160, 1280, 1392, 1448, 1740, 1810, 1856, 1920, 2172, 2320, 2715, 2784, 2896, 3480, 3620, 3712, 3840, 4344, 4640, 5249, 5430, 5568, 5792, 6960, 7240, 7424, 8688, 9280, 10498, 10860, 11136, 11584, 13920, 14480, 15747, 17376, 18560, 20996, 21720, 22272, 23168, 26245, 27840, 28960, 31494, 34752, 37120, 41992, 43440, 46336, 52490, 55680, 57920, 62988, 69504, 78735, 83984, 86880, 104980, 111360, 115840, 125976, 139008, 157470, 167968, 173760, 209960, 231680, 251952, 314940, 335936, 347520, 419920, 503904, 629880, 671872, 695040, 839840, 1007808, 1259760, 1343744, 1679680, 2015616, 2519520, 3359360, 4031232, 5039040, 6718720, 10078080, 20156160]

約数ペア:

[(1, 20156160), (2, 10078080), (3, 6718720), (4, 5039040), (5, 4031232), (6, 3359360), (8, 2519520), (10, 2015616), (12, 1679680), (15, 1343744), (16, 1259760), (20, 1007808), (24, 839840), (29, 695040), (30, 671872), (32, 629880), (40, 503904), (48, 419920), (58, 347520), (60, 335936), (64, 314940), (80, 251952), (87, 231680), (96, 209960), (116, 173760), (120, 167968), (128, 157470), (145, 139008), (160, 125976), (174, 115840), (181, 111360), (192, 104980), (232, 86880), (240, 83984), (256, 78735), (290, 69504), (320, 62988), (348, 57920), (362, 55680), (384, 52490), (435, 46336), (464, 43440), (480, 41992), (543, 37120), (580, 34752), (640, 31494), (696, 28960), (724, 27840), (768, 26245), (870, 23168), (905, 22272), (928, 21720), (960, 20996), (1086, 18560), (1160, 17376), (1280, 15747), (1392, 14480), (1448, 13920), (1740, 11584), (1810, 11136), (1856, 10860), (1920, 10498), (2172, 9280), (2320, 8688), (2715, 7424), (2784, 7240), (2896, 6960), (3480, 5792), (3620, 5568), (3712, 5430), (3840, 5249), (4344, 4640)]