1248721920

素因数分解:

$2^{10}\times 3^4\times 5^1\times {\mathrm{3011}}^1$

素因数の和:3048

約数の個数: 220

約数和(自身を含む): 4476199464

約数和(自身を除く): 3227477544

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1024, 1080, 1152, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 2160, 2304, 2560, 2592, 2880, 3011, 3072, 3240, 3456, 3840, 4320, 4608, 5120, 5184, 5760, 6022, 6480, 6912, 7680, 8640, 9033, 9216, 10368, 11520, 12044, 12960, 13824, 15055, 15360, 17280, 18066, 20736, 23040, 24088, 25920, 27099, 27648, 30110, 34560, 36132, 41472, 45165, 46080, 48176, 51840, 54198, 60220, 69120, 72264, 81297, 82944, 90330, 96352, 103680, 108396, 120440, 135495, 138240, 144528, 162594, 180660, 192704, 207360, 216792, 240880, 243891, 270990, 289056, 325188, 361320, 385408, 406485, 414720, 433584, 481760, 487782, 541980, 578112, 650376, 722640, 770816, 812970, 867168, 963520, 975564, 1083960, 1156224, 1219455, 1300752, 1445280, 1541632, 1625940, 1734336, 1927040, 1951128, 2167920, 2312448, 2438910, 2601504, 2890560, 3083264, 3251880, 3468672, 3854080, 3902256, 4335840, 4624896, 4877820, 5203008, 5781120, 6503760, 6937344, 7708160, 7804512, 8671680, 9249792, 9755640, 10406016, 11562240, 13007520, 13874688, 15416320, 15609024, 17343360, 19511280, 20812032, 23124480, 26015040, 27749376, 31218048, 34686720, 39022560, 41624064, 46248960, 52030080, 62436096, 69373440, 78045120, 83248128, 104060160, 124872192, 138746880, 156090240, 208120320, 249744384, 312180480, 416240640, 624360960, 1248721920]

約数ペア:

[(1, 1248721920), (2, 624360960), (3, 416240640), (4, 312180480), (5, 249744384), (6, 208120320), (8, 156090240), (9, 138746880), (10, 124872192), (12, 104060160), (15, 83248128), (16, 78045120), (18, 69373440), (20, 62436096), (24, 52030080), (27, 46248960), (30, 41624064), (32, 39022560), (36, 34686720), (40, 31218048), (45, 27749376), (48, 26015040), (54, 23124480), (60, 20812032), (64, 19511280), (72, 17343360), (80, 15609024), (81, 15416320), (90, 13874688), (96, 13007520), (108, 11562240), (120, 10406016), (128, 9755640), (135, 9249792), (144, 8671680), (160, 7804512), (162, 7708160), (180, 6937344), (192, 6503760), (216, 5781120), (240, 5203008), (256, 4877820), (270, 4624896), (288, 4335840), (320, 3902256), (324, 3854080), (360, 3468672), (384, 3251880), (405, 3083264), (432, 2890560), (480, 2601504), (512, 2438910), (540, 2312448), (576, 2167920), (640, 1951128), (648, 1927040), (720, 1734336), (768, 1625940), (810, 1541632), (864, 1445280), (960, 1300752), (1024, 1219455), (1080, 1156224), (1152, 1083960), (1280, 975564), (1296, 963520), (1440, 867168), (1536, 812970), (1620, 770816), (1728, 722640), (1920, 650376), (2160, 578112), (2304, 541980), (2560, 487782), (2592, 481760), (2880, 433584), (3011, 414720), (3072, 406485), (3240, 385408), (3456, 361320), (3840, 325188), (4320, 289056), (4608, 270990), (5120, 243891), (5184, 240880), (5760, 216792), (6022, 207360), (6480, 192704), (6912, 180660), (7680, 162594), (8640, 144528), (9033, 138240), (9216, 135495), (10368, 120440), (11520, 108396), (12044, 103680), (12960, 96352), (13824, 90330), (15055, 82944), (15360, 81297), (17280, 72264), (18066, 69120), (20736, 60220), (23040, 54198), (24088, 51840), (25920, 48176), (27099, 46080), (27648, 45165), (30110, 41472), (34560, 36132)]