257404752

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 240

約数和(自身を含む): 849588480

約数和(自身を除く): 592183728

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 17, 18, 22, 24, 33, 34, 36, 44, 48, 51, 66, 68, 72, 79, 88, 99, 102, 121, 132, 136, 144, 153, 158, 176, 187, 198, 204, 237, 242, 264, 272, 306, 316, 363, 374, 396, 408, 474, 484, 528, 561, 612, 632, 711, 726, 748, 792, 816, 869, 948, 968, 1089, 1122, 1224, 1264, 1331, 1343, 1422, 1452, 1496, 1584, 1683, 1738, 1896, 1936, 2057, 2178, 2244, 2448, 2607, 2662, 2686, 2844, 2904, 2992, 3366, 3476, 3792, 3993, 4029, 4114, 4356, 4488, 5214, 5324, 5372, 5688, 5808, 6171, 6732, 6952, 7821, 7986, 8058, 8228, 8712, 8976, 9559, 10428, 10648, 10744, 11376, 11979, 12087, 12342, 13464, 13904, 14773, 15642, 15972, 16116, 16456, 17424, 18513, 19118, 20856, 21296, 21488, 22627, 23958, 24174, 24684, 26928, 28677, 29546, 31284, 31944, 32232, 32912, 37026, 38236, 41712, 44319, 45254, 47916, 48348, 49368, 57354, 59092, 62568, 63888, 64464, 67881, 74052, 76472, 86031, 88638, 90508, 95832, 96696, 98736, 105149, 114708, 118184, 125136, 132957, 135762, 148104, 152944, 162503, 172062, 177276, 181016, 191664, 193392, 203643, 210298, 229416, 236368, 265914, 271524, 296208, 315447, 325006, 344124, 354552, 362032, 407286, 420596, 458832, 487509, 531828, 543048, 630894, 650012, 688248, 709104, 814572, 841192, 946341, 975018, 1063656, 1086096, 1261788, 1300024, 1376496, 1462527, 1629144, 1682384, 1787533, 1892682, 1950036, 2127312, 2523576, 2600048, 2925054, 3258288, 3575066, 3785364, 3900072, 5047152, 5362599, 5850108, 7150132, 7570728, 7800144, 10725198, 11700216, 14300264, 15141456, 16087797, 21450396, 23400432, 28600528, 32175594, 42900792, 64351188, 85801584, 128702376, 257404752]

約数ペア:

[(1, 257404752), (2, 128702376), (3, 85801584), (4, 64351188), (6, 42900792), (8, 32175594), (9, 28600528), (11, 23400432), (12, 21450396), (16, 16087797), (17, 15141456), (18, 14300264), (22, 11700216), (24, 10725198), (33, 7800144), (34, 7570728), (36, 7150132), (44, 5850108), (48, 5362599), (51, 5047152), (66, 3900072), (68, 3785364), (72, 3575066), (79, 3258288), (88, 2925054), (99, 2600048), (102, 2523576), (121, 2127312), (132, 1950036), (136, 1892682), (144, 1787533), (153, 1682384), (158, 1629144), (176, 1462527), (187, 1376496), (198, 1300024), (204, 1261788), (237, 1086096), (242, 1063656), (264, 975018), (272, 946341), (306, 841192), (316, 814572), (363, 709104), (374, 688248), (396, 650012), (408, 630894), (474, 543048), (484, 531828), (528, 487509), (561, 458832), (612, 420596), (632, 407286), (711, 362032), (726, 354552), (748, 344124), (792, 325006), (816, 315447), (869, 296208), (948, 271524), (968, 265914), (1089, 236368), (1122, 229416), (1224, 210298), (1264, 203643), (1331, 193392), (1343, 191664), (1422, 181016), (1452, 177276), (1496, 172062), (1584, 162503), (1683, 152944), (1738, 148104), (1896, 135762), (1936, 132957), (2057, 125136), (2178, 118184), (2244, 114708), (2448, 105149), (2607, 98736), (2662, 96696), (2686, 95832), (2844, 90508), (2904, 88638), (2992, 86031), (3366, 76472), (3476, 74052), (3792, 67881), (3993, 64464), (4029, 63888), (4114, 62568), (4356, 59092), (4488, 57354), (5214, 49368), (5324, 48348), (5372, 47916), (5688, 45254), (5808, 44319), (6171, 41712), (6732, 38236), (6952, 37026), (7821, 32912), (7986, 32232), (8058, 31944), (8228, 31284), (8712, 29546), (8976, 28677), (9559, 26928), (10428, 24684), (10648, 24174), (10744, 23958), (11376, 22627), (11979, 21488), (12087, 21296), (12342, 20856), (13464, 19118), (13904, 18513), (14773, 17424), (15642, 16456), (15972, 16116)]