11781360640

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{328721}}^1$

素因数の和:328753

約数の個数: 88

約数和(自身を含む): 32298908832

約数和(自身を除く): 20517548192

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, 448, 512, 560, 640, 896, 1024, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 5120, 7168, 8960, 17920, 35840, 328721, 657442, 1314884, 1643605, 2301047, 2629768, 3287210, 4602094, 5259536, 6574420, 9204188, 10519072, 11505235, 13148840, 18408376, 21038144, 23010470, 26297680, 36816752, 42076288, 46020940, 52595360, 73633504, 84152576, 92041880, 105190720, 147267008, 168305152, 184083760, 210381440, 294534016, 336610304, 368167520, 420762880, 589068032, 736335040, 841525760, 1178136064, 1472670080, 1683051520, 2356272128, 2945340160, 5890680320, 11781360640]

約数ペア:

[(1, 11781360640), (2, 5890680320), (4, 2945340160), (5, 2356272128), (7, 1683051520), (8, 1472670080), (10, 1178136064), (14, 841525760), (16, 736335040), (20, 589068032), (28, 420762880), (32, 368167520), (35, 336610304), (40, 294534016), (56, 210381440), (64, 184083760), (70, 168305152), (80, 147267008), (112, 105190720), (128, 92041880), (140, 84152576), (160, 73633504), (224, 52595360), (256, 46020940), (280, 42076288), (320, 36816752), (448, 26297680), (512, 23010470), (560, 21038144), (640, 18408376), (896, 13148840), (1024, 11505235), (1120, 10519072), (1280, 9204188), (1792, 6574420), (2240, 5259536), (2560, 4602094), (3584, 3287210), (4480, 2629768), (5120, 2301047), (7168, 1643605), (8960, 1314884), (17920, 657442), (35840, 328721)]