21649438720

素因数分解:

$2^{11}\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3319}}^1$

素因数の和:3373

約数の個数: 288

約数和(自身を含む): 65094775200

約数和(自身を除く): 43445336480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 160, 182, 196, 208, 224, 245, 256, 260, 280, 320, 364, 392, 416, 448, 455, 490, 512, 520, 560, 637, 640, 728, 784, 832, 896, 910, 980, 1024, 1040, 1120, 1274, 1280, 1456, 1568, 1664, 1792, 1820, 1960, 2048, 2080, 2240, 2548, 2560, 2912, 3136, 3185, 3319, 3328, 3584, 3640, 3920, 4160, 4480, 5096, 5120, 5824, 6272, 6370, 6638, 6656, 7168, 7280, 7840, 8320, 8960, 10192, 10240, 11648, 12544, 12740, 13276, 13312, 14336, 14560, 15680, 16595, 16640, 17920, 20384, 23233, 23296, 25088, 25480, 26552, 26624, 29120, 31360, 33190, 33280, 35840, 40768, 43147, 46466, 46592, 50176, 50960, 53104, 58240, 62720, 66380, 66560, 71680, 81536, 86294, 92932, 93184, 100352, 101920, 106208, 116165, 116480, 125440, 132760, 133120, 162631, 163072, 172588, 185864, 186368, 203840, 212416, 215735, 232330, 232960, 250880, 265520, 302029, 325262, 326144, 345176, 371728, 407680, 424832, 431470, 464660, 465920, 501760, 531040, 604058, 650524, 652288, 690352, 743456, 813155, 815360, 849664, 862940, 929320, 931840, 1062080, 1208116, 1301048, 1304576, 1380704, 1486912, 1510145, 1626310, 1630720, 1699328, 1725880, 1858640, 2114203, 2124160, 2416232, 2602096, 2761408, 2973824, 3020290, 3252620, 3261440, 3398656, 3451760, 3717280, 4228406, 4248320, 4832464, 5204192, 5522816, 5947648, 6040580, 6505240, 6522880, 6797312, 6903520, 7434560, 8456812, 8496640, 9664928, 10408384, 10571015, 11045632, 11895296, 12081160, 13010480, 13807040, 14869120, 16913624, 16993280, 19329856, 20816768, 21142030, 22091264, 23790592, 24162320, 26020960, 27614080, 29738240, 33827248, 33986560, 38659712, 41633536, 42284060, 44182528, 47581184, 48324640, 52041920, 55228160, 59476480, 67654496, 77319424, 83267072, 84568120, 88365056, 96649280, 104083840, 110456320, 118952960, 135308992, 154638848, 166534144, 169136240, 193298560, 208167680, 220912640, 237905920, 270617984, 309277696, 333068288, 338272480, 386597120, 416335360, 441825280, 541235968, 618555392, 676544960, 773194240, 832670720, 1082471936, 1353089920, 1546388480, 1665341440, 2164943872, 2706179840, 3092776960, 4329887744, 5412359680, 10824719360, 21649438720]

約数ペア:

[(1, 21649438720), (2, 10824719360), (4, 5412359680), (5, 4329887744), (7, 3092776960), (8, 2706179840), (10, 2164943872), (13, 1665341440), (14, 1546388480), (16, 1353089920), (20, 1082471936), (26, 832670720), (28, 773194240), (32, 676544960), (35, 618555392), (40, 541235968), (49, 441825280), (52, 416335360), (56, 386597120), (64, 338272480), (65, 333068288), (70, 309277696), (80, 270617984), (91, 237905920), (98, 220912640), (104, 208167680), (112, 193298560), (128, 169136240), (130, 166534144), (140, 154638848), (160, 135308992), (182, 118952960), (196, 110456320), (208, 104083840), (224, 96649280), (245, 88365056), (256, 84568120), (260, 83267072), (280, 77319424), (320, 67654496), (364, 59476480), (392, 55228160), (416, 52041920), (448, 48324640), (455, 47581184), (490, 44182528), (512, 42284060), (520, 41633536), (560, 38659712), (637, 33986560), (640, 33827248), (728, 29738240), (784, 27614080), (832, 26020960), (896, 24162320), (910, 23790592), (980, 22091264), (1024, 21142030), (1040, 20816768), (1120, 19329856), (1274, 16993280), (1280, 16913624), (1456, 14869120), (1568, 13807040), (1664, 13010480), (1792, 12081160), (1820, 11895296), (1960, 11045632), (2048, 10571015), (2080, 10408384), (2240, 9664928), (2548, 8496640), (2560, 8456812), (2912, 7434560), (3136, 6903520), (3185, 6797312), (3319, 6522880), (3328, 6505240), (3584, 6040580), (3640, 5947648), (3920, 5522816), (4160, 5204192), (4480, 4832464), (5096, 4248320), (5120, 4228406), (5824, 3717280), (6272, 3451760), (6370, 3398656), (6638, 3261440), (6656, 3252620), (7168, 3020290), (7280, 2973824), (7840, 2761408), (8320, 2602096), (8960, 2416232), (10192, 2124160), (10240, 2114203), (11648, 1858640), (12544, 1725880), (12740, 1699328), (13276, 1630720), (13312, 1626310), (14336, 1510145), (14560, 1486912), (15680, 1380704), (16595, 1304576), (16640, 1301048), (17920, 1208116), (20384, 1062080), (23233, 931840), (23296, 929320), (25088, 862940), (25480, 849664), (26552, 815360), (26624, 813155), (29120, 743456), (31360, 690352), (33190, 652288), (33280, 650524), (35840, 604058), (40768, 531040), (43147, 501760), (46466, 465920), (46592, 464660), (50176, 431470), (50960, 424832), (53104, 407680), (58240, 371728), (62720, 345176), (66380, 326144), (66560, 325262), (71680, 302029), (81536, 265520), (86294, 250880), (92932, 232960), (93184, 232330), (100352, 215735), (101920, 212416), (106208, 203840), (116165, 186368), (116480, 185864), (125440, 172588), (132760, 163072), (133120, 162631)]