268580280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 192

約数和(自身を含む): 887980320

約数和(自身を除く): 619400040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 137, 155, 170, 186, 204, 248, 255, 274, 310, 340, 372, 408, 411, 465, 510, 527, 548, 620, 680, 685, 744, 822, 930, 961, 1020, 1054, 1096, 1240, 1370, 1581, 1644, 1860, 1922, 2040, 2055, 2108, 2329, 2635, 2740, 2883, 3162, 3288, 3720, 3844, 4110, 4216, 4247, 4658, 4805, 5270, 5480, 5766, 6324, 6987, 7688, 7905, 8220, 8494, 9316, 9610, 10540, 11532, 11645, 12648, 12741, 13974, 14415, 15810, 16337, 16440, 16988, 18632, 19220, 21080, 21235, 23064, 23290, 25482, 27948, 28830, 31620, 32674, 33976, 34935, 38440, 42470, 46580, 49011, 50964, 55896, 57660, 63240, 63705, 65348, 69870, 72199, 81685, 84940, 93160, 98022, 101928, 115320, 127410, 130696, 131657, 139740, 144398, 163370, 169880, 196044, 216597, 245055, 254820, 263314, 279480, 288796, 326740, 360995, 392088, 394971, 433194, 490110, 509640, 526628, 577592, 653480, 658285, 721990, 789942, 866388, 980220, 1053256, 1082985, 1316570, 1443980, 1579884, 1732776, 1960440, 1974855, 2165970, 2238169, 2633140, 2887960, 3159768, 3949710, 4331940, 4476338, 5266280, 6714507, 7899420, 8663880, 8952676, 11190845, 13429014, 15798840, 17905352, 22381690, 26858028, 33572535, 44763380, 53716056, 67145070, 89526760, 134290140, 268580280]

約数ペア:

[(1, 268580280), (2, 134290140), (3, 89526760), (4, 67145070), (5, 53716056), (6, 44763380), (8, 33572535), (10, 26858028), (12, 22381690), (15, 17905352), (17, 15798840), (20, 13429014), (24, 11190845), (30, 8952676), (31, 8663880), (34, 7899420), (40, 6714507), (51, 5266280), (60, 4476338), (62, 4331940), (68, 3949710), (85, 3159768), (93, 2887960), (102, 2633140), (120, 2238169), (124, 2165970), (136, 1974855), (137, 1960440), (155, 1732776), (170, 1579884), (186, 1443980), (204, 1316570), (248, 1082985), (255, 1053256), (274, 980220), (310, 866388), (340, 789942), (372, 721990), (408, 658285), (411, 653480), (465, 577592), (510, 526628), (527, 509640), (548, 490110), (620, 433194), (680, 394971), (685, 392088), (744, 360995), (822, 326740), (930, 288796), (961, 279480), (1020, 263314), (1054, 254820), (1096, 245055), (1240, 216597), (1370, 196044), (1581, 169880), (1644, 163370), (1860, 144398), (1922, 139740), (2040, 131657), (2055, 130696), (2108, 127410), (2329, 115320), (2635, 101928), (2740, 98022), (2883, 93160), (3162, 84940), (3288, 81685), (3720, 72199), (3844, 69870), (4110, 65348), (4216, 63705), (4247, 63240), (4658, 57660), (4805, 55896), (5270, 50964), (5480, 49011), (5766, 46580), (6324, 42470), (6987, 38440), (7688, 34935), (7905, 33976), (8220, 32674), (8494, 31620), (9316, 28830), (9610, 27948), (10540, 25482), (11532, 23290), (11645, 23064), (12648, 21235), (12741, 21080), (13974, 19220), (14415, 18632), (15810, 16988), (16337, 16440)]