1560784640

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2213}}^1$

素因数の和:2282

約数の個数: 144

約数和(自身を含む): 4072874400

約数和(自身を除く): 2512089760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 32, 38, 40, 58, 64, 76, 80, 95, 116, 128, 145, 152, 160, 190, 232, 256, 290, 304, 320, 380, 464, 551, 580, 608, 640, 760, 928, 1102, 1160, 1216, 1280, 1520, 1856, 2204, 2213, 2320, 2432, 2755, 3040, 3712, 4408, 4426, 4640, 4864, 5510, 6080, 7424, 8816, 8852, 9280, 11020, 11065, 12160, 17632, 17704, 18560, 22040, 22130, 24320, 35264, 35408, 37120, 42047, 44080, 44260, 64177, 70528, 70816, 84094, 88160, 88520, 128354, 141056, 141632, 168188, 176320, 177040, 210235, 256708, 283264, 320885, 336376, 352640, 354080, 420470, 513416, 566528, 641770, 672752, 705280, 708160, 840940, 1026832, 1219363, 1283540, 1345504, 1416320, 1681880, 2053664, 2438726, 2567080, 2691008, 2832640, 3363760, 4107328, 4877452, 5134160, 5382016, 6096815, 6727520, 8214656, 9754904, 10268320, 10764032, 12193630, 13455040, 16429312, 19509808, 20536640, 24387260, 26910080, 39019616, 41073280, 48774520, 53820160, 78039232, 82146560, 97549040, 156078464, 195098080, 312156928, 390196160, 780392320, 1560784640]

約数ペア:

[(1, 1560784640), (2, 780392320), (4, 390196160), (5, 312156928), (8, 195098080), (10, 156078464), (16, 97549040), (19, 82146560), (20, 78039232), (29, 53820160), (32, 48774520), (38, 41073280), (40, 39019616), (58, 26910080), (64, 24387260), (76, 20536640), (80, 19509808), (95, 16429312), (116, 13455040), (128, 12193630), (145, 10764032), (152, 10268320), (160, 9754904), (190, 8214656), (232, 6727520), (256, 6096815), (290, 5382016), (304, 5134160), (320, 4877452), (380, 4107328), (464, 3363760), (551, 2832640), (580, 2691008), (608, 2567080), (640, 2438726), (760, 2053664), (928, 1681880), (1102, 1416320), (1160, 1345504), (1216, 1283540), (1280, 1219363), (1520, 1026832), (1856, 840940), (2204, 708160), (2213, 705280), (2320, 672752), (2432, 641770), (2755, 566528), (3040, 513416), (3712, 420470), (4408, 354080), (4426, 352640), (4640, 336376), (4864, 320885), (5510, 283264), (6080, 256708), (7424, 210235), (8816, 177040), (8852, 176320), (9280, 168188), (11020, 141632), (11065, 141056), (12160, 128354), (17632, 88520), (17704, 88160), (18560, 84094), (22040, 70816), (22130, 70528), (24320, 64177), (35264, 44260), (35408, 44080), (37120, 42047)]