256178520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:159

約数の個数: 384

約数和(自身を含む): 980179200

約数和(自身を除く): 724000680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 43, 45, 52, 57, 60, 65, 67, 72, 76, 78, 86, 90, 95, 104, 114, 117, 120, 129, 130, 134, 152, 156, 171, 172, 180, 190, 195, 201, 215, 228, 234, 247, 258, 260, 268, 285, 312, 335, 342, 344, 360, 380, 387, 390, 402, 430, 456, 468, 494, 516, 520, 536, 559, 570, 585, 603, 645, 670, 684, 741, 760, 774, 780, 804, 817, 855, 860, 871, 936, 988, 1005, 1032, 1118, 1140, 1170, 1206, 1235, 1273, 1290, 1340, 1368, 1482, 1548, 1560, 1608, 1634, 1677, 1710, 1720, 1742, 1935, 1976, 2010, 2223, 2236, 2280, 2340, 2412, 2451, 2470, 2546, 2580, 2613, 2680, 2795, 2881, 2964, 3015, 3096, 3268, 3354, 3420, 3484, 3705, 3819, 3870, 4020, 4085, 4355, 4446, 4472, 4680, 4824, 4902, 4940, 5031, 5092, 5160, 5226, 5590, 5762, 5928, 6030, 6365, 6536, 6708, 6840, 6968, 7353, 7410, 7638, 7740, 7839, 8040, 8170, 8385, 8643, 8710, 8892, 9804, 9880, 10062, 10184, 10452, 10621, 11115, 11180, 11457, 11524, 12060, 12255, 12730, 13065, 13416, 14405, 14706, 14820, 15276, 15480, 15678, 16340, 16549, 16770, 17286, 17420, 17784, 19095, 19608, 20124, 20904, 21242, 22230, 22360, 22914, 23048, 24120, 24510, 25155, 25460, 25929, 26130, 28810, 29412, 29640, 30552, 31356, 31863, 32680, 33098, 33540, 34572, 34840, 36765, 37453, 38190, 39195, 40248, 42484, 43215, 44460, 45828, 49020, 49647, 50310, 50920, 51858, 52260, 53105, 54739, 57285, 57620, 58824, 62712, 63726, 66196, 67080, 69144, 73530, 74906, 76380, 78390, 82745, 84968, 86430, 88920, 91656, 95589, 98040, 99294, 100620, 103716, 104520, 106210, 109478, 112359, 114570, 115240, 127452, 129645, 132392, 147060, 148941, 149812, 152760, 156780, 159315, 164217, 165490, 172860, 187265, 191178, 198588, 201240, 207432, 212420, 218956, 224718, 229140, 248235, 254904, 259290, 273695, 294120, 297882, 299624, 313560, 318630, 328434, 330980, 337077, 345720, 374530, 382356, 397176, 424840, 437912, 449436, 458280, 477945, 492651, 496470, 518580, 547390, 561795, 595764, 637260, 656868, 661960, 674154, 711607, 744705, 749060, 764712, 821085, 898872, 955890, 985302, 992940, 1037160, 1094780, 1123590, 1191528, 1274520, 1313736, 1348308, 1423214, 1489410, 1498120, 1642170, 1685385, 1911780, 1970604, 1985880, 2134821, 2189560, 2247180, 2463255, 2696616, 2846428, 2978820, 3284340, 3370770, 3558035, 3823560, 3941208, 4269642, 4494360, 4926510, 5692856, 5957640, 6404463, 6568680, 6741540, 7116070, 8539284, 9853020, 10674105, 12808926, 13483080, 14232140, 17078568, 19706040, 21348210, 25617852, 28464280, 32022315, 42696420, 51235704, 64044630, 85392840, 128089260, 256178520]

約数ペア:

[(1, 256178520), (2, 128089260), (3, 85392840), (4, 64044630), (5, 51235704), (6, 42696420), (8, 32022315), (9, 28464280), (10, 25617852), (12, 21348210), (13, 19706040), (15, 17078568), (18, 14232140), (19, 13483080), (20, 12808926), (24, 10674105), (26, 9853020), (30, 8539284), (36, 7116070), (38, 6741540), (39, 6568680), (40, 6404463), (43, 5957640), (45, 5692856), (52, 4926510), (57, 4494360), (60, 4269642), (65, 3941208), (67, 3823560), (72, 3558035), (76, 3370770), (78, 3284340), (86, 2978820), (90, 2846428), (95, 2696616), (104, 2463255), (114, 2247180), (117, 2189560), (120, 2134821), (129, 1985880), (130, 1970604), (134, 1911780), (152, 1685385), (156, 1642170), (171, 1498120), (172, 1489410), (180, 1423214), (190, 1348308), (195, 1313736), (201, 1274520), (215, 1191528), (228, 1123590), (234, 1094780), (247, 1037160), (258, 992940), (260, 985302), (268, 955890), (285, 898872), (312, 821085), (335, 764712), (342, 749060), (344, 744705), (360, 711607), (380, 674154), (387, 661960), (390, 656868), (402, 637260), (430, 595764), (456, 561795), (468, 547390), (494, 518580), (516, 496470), (520, 492651), (536, 477945), (559, 458280), (570, 449436), (585, 437912), (603, 424840), (645, 397176), (670, 382356), (684, 374530), (741, 345720), (760, 337077), (774, 330980), (780, 328434), (804, 318630), (817, 313560), (855, 299624), (860, 297882), (871, 294120), (936, 273695), (988, 259290), (1005, 254904), (1032, 248235), (1118, 229140), (1140, 224718), (1170, 218956), (1206, 212420), (1235, 207432), (1273, 201240), (1290, 198588), (1340, 191178), (1368, 187265), (1482, 172860), (1548, 165490), (1560, 164217), (1608, 159315), (1634, 156780), (1677, 152760), (1710, 149812), (1720, 148941), (1742, 147060), (1935, 132392), (1976, 129645), (2010, 127452), (2223, 115240), (2236, 114570), (2280, 112359), (2340, 109478), (2412, 106210), (2451, 104520), (2470, 103716), (2546, 100620), (2580, 99294), (2613, 98040), (2680, 95589), (2795, 91656), (2881, 88920), (2964, 86430), (3015, 84968), (3096, 82745), (3268, 78390), (3354, 76380), (3420, 74906), (3484, 73530), (3705, 69144), (3819, 67080), (3870, 66196), (4020, 63726), (4085, 62712), (4355, 58824), (4446, 57620), (4472, 57285), (4680, 54739), (4824, 53105), (4902, 52260), (4940, 51858), (5031, 50920), (5092, 50310), (5160, 49647), (5226, 49020), (5590, 45828), (5762, 44460), (5928, 43215), (6030, 42484), (6365, 40248), (6536, 39195), (6708, 38190), (6840, 37453), (6968, 36765), (7353, 34840), (7410, 34572), (7638, 33540), (7740, 33098), (7839, 32680), (8040, 31863), (8170, 31356), (8385, 30552), (8643, 29640), (8710, 29412), (8892, 28810), (9804, 26130), (9880, 25929), (10062, 25460), (10184, 25155), (10452, 24510), (10621, 24120), (11115, 23048), (11180, 22914), (11457, 22360), (11524, 22230), (12060, 21242), (12255, 20904), (12730, 20124), (13065, 19608), (13416, 19095), (14405, 17784), (14706, 17420), (14820, 17286), (15276, 16770), (15480, 16549), (15678, 16340)]