1918194560

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{571}}^1$

素因数の和:800

約数の個数: 128

約数和(自身を含む): 4778373600

約数和(自身を除く): 2860179040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 181, 232, 290, 320, 362, 464, 571, 580, 640, 724, 905, 928, 1142, 1160, 1448, 1810, 1856, 2284, 2320, 2855, 2896, 3620, 3712, 4568, 4640, 5249, 5710, 5792, 7240, 9136, 9280, 10498, 11420, 11584, 14480, 16559, 18272, 18560, 20996, 22840, 23168, 26245, 28960, 33118, 36544, 41992, 45680, 52490, 57920, 66236, 73088, 82795, 83984, 91360, 103351, 104980, 115840, 132472, 165590, 167968, 182720, 206702, 209960, 264944, 331180, 335936, 365440, 413404, 419920, 516755, 529888, 662360, 671872, 826808, 839840, 1033510, 1059776, 1324720, 1653616, 1679680, 2067020, 2119552, 2649440, 2997179, 3307232, 3359360, 4134040, 5298880, 5994358, 6614464, 8268080, 10597760, 11988716, 13228928, 14985895, 16536160, 23977432, 29971790, 33072320, 47954864, 59943580, 66144640, 95909728, 119887160, 191819456, 239774320, 383638912, 479548640, 959097280, 1918194560]

約数ペア:

[(1, 1918194560), (2, 959097280), (4, 479548640), (5, 383638912), (8, 239774320), (10, 191819456), (16, 119887160), (20, 95909728), (29, 66144640), (32, 59943580), (40, 47954864), (58, 33072320), (64, 29971790), (80, 23977432), (116, 16536160), (128, 14985895), (145, 13228928), (160, 11988716), (181, 10597760), (232, 8268080), (290, 6614464), (320, 5994358), (362, 5298880), (464, 4134040), (571, 3359360), (580, 3307232), (640, 2997179), (724, 2649440), (905, 2119552), (928, 2067020), (1142, 1679680), (1160, 1653616), (1448, 1324720), (1810, 1059776), (1856, 1033510), (2284, 839840), (2320, 826808), (2855, 671872), (2896, 662360), (3620, 529888), (3712, 516755), (4568, 419920), (4640, 413404), (5249, 365440), (5710, 335936), (5792, 331180), (7240, 264944), (9136, 209960), (9280, 206702), (10498, 182720), (11420, 167968), (11584, 165590), (14480, 132472), (16559, 115840), (18272, 104980), (18560, 103351), (20996, 91360), (22840, 83984), (23168, 82795), (26245, 73088), (28960, 66236), (33118, 57920), (36544, 52490), (41992, 45680)]