1289928640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4027}}^1$

素因数の和:4075

約数の個数: 224

約数和(自身を含む): 4125187584

約数和(自身を除く): 2835258944

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 52, 55, 56, 64, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 160, 176, 182, 208, 220, 224, 260, 280, 286, 308, 320, 352, 364, 385, 416, 440, 448, 455, 520, 560, 572, 616, 704, 715, 728, 770, 832, 880, 910, 1001, 1040, 1120, 1144, 1232, 1430, 1456, 1540, 1760, 1820, 2002, 2080, 2240, 2288, 2464, 2860, 2912, 3080, 3520, 3640, 4004, 4027, 4160, 4576, 4928, 5005, 5720, 5824, 6160, 7280, 8008, 8054, 9152, 10010, 11440, 12320, 14560, 16016, 16108, 20020, 20135, 22880, 24640, 28189, 29120, 32032, 32216, 40040, 40270, 44297, 45760, 52351, 56378, 64064, 64432, 80080, 80540, 88594, 104702, 112756, 128864, 140945, 160160, 161080, 177188, 209404, 221485, 225512, 257728, 261755, 281890, 310079, 320320, 322160, 354376, 366457, 418808, 442970, 451024, 523510, 563780, 575861, 620158, 644320, 708752, 732914, 837616, 885940, 902048, 1047020, 1127560, 1151722, 1240316, 1288640, 1417504, 1465828, 1550395, 1675232, 1771880, 1804096, 1832285, 2094040, 2255120, 2303444, 2480632, 2835008, 2879305, 2931656, 3100790, 3350464, 3543760, 3664570, 4031027, 4188080, 4510240, 4606888, 4961264, 5758610, 5863312, 6201580, 7087520, 7329140, 8062054, 8376160, 9020480, 9213776, 9922528, 11517220, 11726624, 12403160, 14175040, 14658280, 16124108, 16752320, 18427552, 19845056, 20155135, 23034440, 23453248, 24806320, 29316560, 32248216, 36855104, 40310270, 46068880, 49612640, 58633120, 64496432, 80620540, 92137760, 99225280, 117266240, 128992864, 161241080, 184275520, 257985728, 322482160, 644964320, 1289928640]

約数ペア:

[(1, 1289928640), (2, 644964320), (4, 322482160), (5, 257985728), (7, 184275520), (8, 161241080), (10, 128992864), (11, 117266240), (13, 99225280), (14, 92137760), (16, 80620540), (20, 64496432), (22, 58633120), (26, 49612640), (28, 46068880), (32, 40310270), (35, 36855104), (40, 32248216), (44, 29316560), (52, 24806320), (55, 23453248), (56, 23034440), (64, 20155135), (65, 19845056), (70, 18427552), (77, 16752320), (80, 16124108), (88, 14658280), (91, 14175040), (104, 12403160), (110, 11726624), (112, 11517220), (130, 9922528), (140, 9213776), (143, 9020480), (154, 8376160), (160, 8062054), (176, 7329140), (182, 7087520), (208, 6201580), (220, 5863312), (224, 5758610), (260, 4961264), (280, 4606888), (286, 4510240), (308, 4188080), (320, 4031027), (352, 3664570), (364, 3543760), (385, 3350464), (416, 3100790), (440, 2931656), (448, 2879305), (455, 2835008), (520, 2480632), (560, 2303444), (572, 2255120), (616, 2094040), (704, 1832285), (715, 1804096), (728, 1771880), (770, 1675232), (832, 1550395), (880, 1465828), (910, 1417504), (1001, 1288640), (1040, 1240316), (1120, 1151722), (1144, 1127560), (1232, 1047020), (1430, 902048), (1456, 885940), (1540, 837616), (1760, 732914), (1820, 708752), (2002, 644320), (2080, 620158), (2240, 575861), (2288, 563780), (2464, 523510), (2860, 451024), (2912, 442970), (3080, 418808), (3520, 366457), (3640, 354376), (4004, 322160), (4027, 320320), (4160, 310079), (4576, 281890), (4928, 261755), (5005, 257728), (5720, 225512), (5824, 221485), (6160, 209404), (7280, 177188), (8008, 161080), (8054, 160160), (9152, 140945), (10010, 128864), (11440, 112756), (12320, 104702), (14560, 88594), (16016, 80540), (16108, 80080), (20020, 64432), (20135, 64064), (22880, 56378), (24640, 52351), (28189, 45760), (29120, 44297), (32032, 40270), (32216, 40040)]