64706560

素因数分解:

$2^{11}\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 159213600

約数和(自身を除く): 94507040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 89, 128, 142, 160, 178, 256, 284, 320, 355, 356, 445, 512, 568, 640, 710, 712, 890, 1024, 1136, 1280, 1420, 1424, 1780, 2048, 2272, 2560, 2840, 2848, 3560, 4544, 5120, 5680, 5696, 6319, 7120, 9088, 10240, 11360, 11392, 12638, 14240, 18176, 22720, 22784, 25276, 28480, 31595, 36352, 45440, 45568, 50552, 56960, 63190, 72704, 90880, 91136, 101104, 113920, 126380, 145408, 181760, 182272, 202208, 227840, 252760, 363520, 404416, 455680, 505520, 727040, 808832, 911360, 1011040, 1617664, 2022080, 3235328, 4044160, 6470656, 8088320, 12941312, 16176640, 32353280, 64706560]

約数ペア:

[(1, 64706560), (2, 32353280), (4, 16176640), (5, 12941312), (8, 8088320), (10, 6470656), (16, 4044160), (20, 3235328), (32, 2022080), (40, 1617664), (64, 1011040), (71, 911360), (80, 808832), (89, 727040), (128, 505520), (142, 455680), (160, 404416), (178, 363520), (256, 252760), (284, 227840), (320, 202208), (355, 182272), (356, 181760), (445, 145408), (512, 126380), (568, 113920), (640, 101104), (710, 91136), (712, 90880), (890, 72704), (1024, 63190), (1136, 56960), (1280, 50552), (1420, 45568), (1424, 45440), (1780, 36352), (2048, 31595), (2272, 28480), (2560, 25276), (2840, 22784), (2848, 22720), (3560, 18176), (4544, 14240), (5120, 12638), (5680, 11392), (5696, 11360), (6319, 10240), (7120, 9088)]