261330241760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{223711}}^1$

素因数の和:223889

約数の個数: 144

約数和(自身を含む): 723014812800

約数和(自身を除く): 461684571040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 149, 160, 196, 224, 245, 280, 298, 392, 490, 560, 596, 745, 784, 980, 1043, 1120, 1192, 1490, 1568, 1960, 2086, 2384, 2980, 3920, 4172, 4768, 5215, 5960, 7301, 7840, 8344, 10430, 11920, 14602, 16688, 20860, 23840, 29204, 33376, 36505, 41720, 58408, 73010, 83440, 116816, 146020, 166880, 223711, 233632, 292040, 447422, 584080, 894844, 1118555, 1168160, 1565977, 1789688, 2237110, 3131954, 3579376, 4474220, 6263908, 7158752, 7829885, 8948440, 10961839, 12527816, 15659770, 17896880, 21923678, 25055632, 31319540, 33332939, 35793760, 43847356, 50111264, 54809195, 62639080, 66665878, 87694712, 109618390, 125278160, 133331756, 166664695, 175389424, 219236780, 233330573, 250556320, 266663512, 333329390, 350778848, 438473560, 466661146, 533327024, 666658780, 876947120, 933322292, 1066654048, 1166652865, 1333317560, 1633314011, 1753894240, 1866644584, 2333305730, 2666635120, 3266628022, 3733289168, 4666611460, 5333270240, 6533256044, 7466578336, 8166570055, 9333222920, 13066512088, 16333140110, 18666445840, 26133024176, 32666280220, 37332891680, 52266048352, 65332560440, 130665120880, 261330241760]

約数ペア:

[(1, 261330241760), (2, 130665120880), (4, 65332560440), (5, 52266048352), (7, 37332891680), (8, 32666280220), (10, 26133024176), (14, 18666445840), (16, 16333140110), (20, 13066512088), (28, 9333222920), (32, 8166570055), (35, 7466578336), (40, 6533256044), (49, 5333270240), (56, 4666611460), (70, 3733289168), (80, 3266628022), (98, 2666635120), (112, 2333305730), (140, 1866644584), (149, 1753894240), (160, 1633314011), (196, 1333317560), (224, 1166652865), (245, 1066654048), (280, 933322292), (298, 876947120), (392, 666658780), (490, 533327024), (560, 466661146), (596, 438473560), (745, 350778848), (784, 333329390), (980, 266663512), (1043, 250556320), (1120, 233330573), (1192, 219236780), (1490, 175389424), (1568, 166664695), (1960, 133331756), (2086, 125278160), (2384, 109618390), (2980, 87694712), (3920, 66665878), (4172, 62639080), (4768, 54809195), (5215, 50111264), (5960, 43847356), (7301, 35793760), (7840, 33332939), (8344, 31319540), (10430, 25055632), (11920, 21923678), (14602, 17896880), (16688, 15659770), (20860, 12527816), (23840, 10961839), (29204, 8948440), (33376, 7829885), (36505, 7158752), (41720, 6263908), (58408, 4474220), (73010, 3579376), (83440, 3131954), (116816, 2237110), (146020, 1789688), (166880, 1565977), (223711, 1168160), (233632, 1118555), (292040, 894844), (447422, 584080)]