1269891440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{17657}}^1$

素因数の和:17730

約数の個数: 80

約数和(自身を含む): 3153012480

約数和(自身を除く): 1883121040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 232, 248, 290, 310, 464, 496, 580, 620, 899, 1160, 1240, 1798, 2320, 2480, 3596, 4495, 7192, 8990, 14384, 17657, 17980, 35314, 35960, 70628, 71920, 88285, 141256, 176570, 282512, 353140, 512053, 547367, 706280, 1024106, 1094734, 1412560, 2048212, 2189468, 2560265, 2736835, 4096424, 4378936, 5120530, 5473670, 8192848, 8757872, 10241060, 10947340, 15873643, 20482120, 21894680, 31747286, 40964240, 43789360, 63494572, 79368215, 126989144, 158736430, 253978288, 317472860, 634945720, 1269891440]

約数ペア:

[(1, 1269891440), (2, 634945720), (4, 317472860), (5, 253978288), (8, 158736430), (10, 126989144), (16, 79368215), (20, 63494572), (29, 43789360), (31, 40964240), (40, 31747286), (58, 21894680), (62, 20482120), (80, 15873643), (116, 10947340), (124, 10241060), (145, 8757872), (155, 8192848), (232, 5473670), (248, 5120530), (290, 4378936), (310, 4096424), (464, 2736835), (496, 2560265), (580, 2189468), (620, 2048212), (899, 1412560), (1160, 1094734), (1240, 1024106), (1798, 706280), (2320, 547367), (2480, 512053), (3596, 353140), (4495, 282512), (7192, 176570), (8990, 141256), (14384, 88285), (17657, 71920), (17980, 70628), (35314, 35960)]