278424640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:205

約数の個数: 224

約数和(自身を含む): 786530304

約数和(自身を除く): 508105664

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 32, 34, 40, 52, 62, 64, 65, 68, 80, 85, 104, 124, 127, 130, 136, 155, 160, 170, 208, 221, 248, 254, 260, 272, 310, 320, 340, 403, 416, 442, 496, 508, 520, 527, 544, 620, 635, 680, 806, 832, 884, 992, 1016, 1040, 1054, 1088, 1105, 1240, 1270, 1360, 1612, 1651, 1768, 1984, 2015, 2032, 2080, 2108, 2159, 2210, 2480, 2540, 2635, 2720, 3224, 3302, 3536, 3937, 4030, 4064, 4160, 4216, 4318, 4420, 4960, 5080, 5270, 5440, 6448, 6604, 6851, 7072, 7874, 8060, 8128, 8255, 8432, 8636, 8840, 9920, 10160, 10540, 10795, 12896, 13208, 13702, 14144, 15748, 16120, 16510, 16864, 17272, 17680, 19685, 20320, 21080, 21590, 25792, 26416, 27404, 28067, 31496, 32240, 33020, 33728, 34255, 34544, 35360, 39370, 40640, 42160, 43180, 51181, 52832, 54808, 56134, 62992, 64480, 66040, 66929, 68510, 69088, 70720, 78740, 84320, 86360, 102362, 105664, 109616, 112268, 125984, 128960, 132080, 133858, 137020, 138176, 140335, 157480, 168640, 172720, 204724, 219232, 224536, 251968, 255905, 264160, 267716, 274040, 280670, 314960, 334645, 345440, 409448, 438464, 449072, 511810, 528320, 535432, 548080, 561340, 629920, 669290, 690880, 818896, 870077, 898144, 1023620, 1070864, 1096160, 1122680, 1259840, 1338580, 1637792, 1740154, 1796288, 2047240, 2141728, 2192320, 2245360, 2677160, 3275584, 3480308, 4094480, 4283456, 4350385, 4490720, 5354320, 6960616, 8188960, 8700770, 8981440, 10708640, 13921232, 16377920, 17401540, 21417280, 27842464, 34803080, 55684928, 69606160, 139212320, 278424640]

約数ペア:

[(1, 278424640), (2, 139212320), (4, 69606160), (5, 55684928), (8, 34803080), (10, 27842464), (13, 21417280), (16, 17401540), (17, 16377920), (20, 13921232), (26, 10708640), (31, 8981440), (32, 8700770), (34, 8188960), (40, 6960616), (52, 5354320), (62, 4490720), (64, 4350385), (65, 4283456), (68, 4094480), (80, 3480308), (85, 3275584), (104, 2677160), (124, 2245360), (127, 2192320), (130, 2141728), (136, 2047240), (155, 1796288), (160, 1740154), (170, 1637792), (208, 1338580), (221, 1259840), (248, 1122680), (254, 1096160), (260, 1070864), (272, 1023620), (310, 898144), (320, 870077), (340, 818896), (403, 690880), (416, 669290), (442, 629920), (496, 561340), (508, 548080), (520, 535432), (527, 528320), (544, 511810), (620, 449072), (635, 438464), (680, 409448), (806, 345440), (832, 334645), (884, 314960), (992, 280670), (1016, 274040), (1040, 267716), (1054, 264160), (1088, 255905), (1105, 251968), (1240, 224536), (1270, 219232), (1360, 204724), (1612, 172720), (1651, 168640), (1768, 157480), (1984, 140335), (2015, 138176), (2032, 137020), (2080, 133858), (2108, 132080), (2159, 128960), (2210, 125984), (2480, 112268), (2540, 109616), (2635, 105664), (2720, 102362), (3224, 86360), (3302, 84320), (3536, 78740), (3937, 70720), (4030, 69088), (4064, 68510), (4160, 66929), (4216, 66040), (4318, 64480), (4420, 62992), (4960, 56134), (5080, 54808), (5270, 52832), (5440, 51181), (6448, 43180), (6604, 42160), (6851, 40640), (7072, 39370), (7874, 35360), (8060, 34544), (8128, 34255), (8255, 33728), (8432, 33020), (8636, 32240), (8840, 31496), (9920, 28067), (10160, 27404), (10540, 26416), (10795, 25792), (12896, 21590), (13208, 21080), (13702, 20320), (14144, 19685), (15748, 17680), (16120, 17272), (16510, 16864)]