129413120

素因数分解:

$2^{12}\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:189

約数の個数: 104

約数和(自身を含む): 318466080

約数和(自身を除く): 189052960

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, 4096, 4544, 5120, 5680, 5696, 6319, 7120, 9088, 10240, 11360, 11392, 12638, 14240, 18176, 20480, 22720, 22784, 25276, 28480, 31595, 36352, 45440, 45568, 50552, 56960, 63190, 72704, 90880, 91136, 101104, 113920, 126380, 145408, 181760, 182272, 202208, 227840, 252760, 290816, 363520, 364544, 404416, 455680, 505520, 727040, 808832, 911360, 1011040, 1454080, 1617664, 1822720, 2022080, 3235328, 4044160, 6470656, 8088320, 12941312, 16176640, 25882624, 32353280, 64706560, 129413120]

約数ペア:

[(1, 129413120), (2, 64706560), (4, 32353280), (5, 25882624), (8, 16176640), (10, 12941312), (16, 8088320), (20, 6470656), (32, 4044160), (40, 3235328), (64, 2022080), (71, 1822720), (80, 1617664), (89, 1454080), (128, 1011040), (142, 911360), (160, 808832), (178, 727040), (256, 505520), (284, 455680), (320, 404416), (355, 364544), (356, 363520), (445, 290816), (512, 252760), (568, 227840), (640, 202208), (710, 182272), (712, 181760), (890, 145408), (1024, 126380), (1136, 113920), (1280, 101104), (1420, 91136), (1424, 90880), (1780, 72704), (2048, 63190), (2272, 56960), (2560, 50552), (2840, 45568), (2848, 45440), (3560, 36352), (4096, 31595), (4544, 28480), (5120, 25276), (5680, 22784), (5696, 22720), (6319, 20480), (7120, 18176), (9088, 14240), (10240, 12638), (11360, 11392)]