254681280

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{4211}}^1$

素因数の和:4244

約数の個数: 224

約数和(自身を含む): 1027054080

約数和(自身を除く): 772372800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 2016, 2160, 2240, 2520, 2880, 3024, 3360, 3780, 4032, 4211, 4320, 5040, 6048, 6720, 7560, 8422, 8640, 10080, 12096, 12633, 15120, 16844, 20160, 21055, 25266, 29477, 30240, 33688, 37899, 42110, 50532, 58954, 60480, 63165, 67376, 75798, 84220, 88431, 101064, 113697, 117908, 126330, 134752, 147385, 151596, 168440, 176862, 189495, 202128, 227394, 235816, 252660, 265293, 269504, 294770, 303192, 336880, 353724, 378990, 404256, 442155, 454788, 471632, 505320, 530586, 568485, 589540, 606384, 673760, 707448, 757980, 795879, 808512, 884310, 909576, 943264, 1010640, 1061172, 1136970, 1179080, 1212768, 1326465, 1347520, 1414896, 1515960, 1591758, 1768620, 1819152, 1886528, 2021280, 2122344, 2273940, 2358160, 2425536, 2652930, 2829792, 3031920, 3183516, 3537240, 3638304, 3979395, 4042560, 4244688, 4547880, 4716320, 5305860, 5659584, 6063840, 6367032, 7074480, 7276608, 7958790, 8489376, 9095760, 9432640, 10611720, 12127680, 12734064, 14148960, 15917580, 16978752, 18191520, 21223440, 25468128, 28297920, 31835160, 36383040, 42446880, 50936256, 63670320, 84893760, 127340640, 254681280]

約数ペア:

[(1, 254681280), (2, 127340640), (3, 84893760), (4, 63670320), (5, 50936256), (6, 42446880), (7, 36383040), (8, 31835160), (9, 28297920), (10, 25468128), (12, 21223440), (14, 18191520), (15, 16978752), (16, 15917580), (18, 14148960), (20, 12734064), (21, 12127680), (24, 10611720), (27, 9432640), (28, 9095760), (30, 8489376), (32, 7958790), (35, 7276608), (36, 7074480), (40, 6367032), (42, 6063840), (45, 5659584), (48, 5305860), (54, 4716320), (56, 4547880), (60, 4244688), (63, 4042560), (64, 3979395), (70, 3638304), (72, 3537240), (80, 3183516), (84, 3031920), (90, 2829792), (96, 2652930), (105, 2425536), (108, 2358160), (112, 2273940), (120, 2122344), (126, 2021280), (135, 1886528), (140, 1819152), (144, 1768620), (160, 1591758), (168, 1515960), (180, 1414896), (189, 1347520), (192, 1326465), (210, 1212768), (216, 1179080), (224, 1136970), (240, 1061172), (252, 1010640), (270, 943264), (280, 909576), (288, 884310), (315, 808512), (320, 795879), (336, 757980), (360, 707448), (378, 673760), (420, 606384), (432, 589540), (448, 568485), (480, 530586), (504, 505320), (540, 471632), (560, 454788), (576, 442155), (630, 404256), (672, 378990), (720, 353724), (756, 336880), (840, 303192), (864, 294770), (945, 269504), (960, 265293), (1008, 252660), (1080, 235816), (1120, 227394), (1260, 202128), (1344, 189495), (1440, 176862), (1512, 168440), (1680, 151596), (1728, 147385), (1890, 134752), (2016, 126330), (2160, 117908), (2240, 113697), (2520, 101064), (2880, 88431), (3024, 84220), (3360, 75798), (3780, 67376), (4032, 63165), (4211, 60480), (4320, 58954), (5040, 50532), (6048, 42110), (6720, 37899), (7560, 33688), (8422, 30240), (8640, 29477), (10080, 25266), (12096, 21055), (12633, 20160), (15120, 16844)]