257675472

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:390

約数の個数: 160

約数和(自身を含む): 777093120

約数和(自身を除く): 519417648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 71, 72, 93, 108, 124, 142, 144, 186, 213, 216, 248, 271, 279, 284, 372, 426, 432, 496, 542, 558, 568, 639, 744, 813, 837, 852, 1084, 1116, 1136, 1278, 1488, 1626, 1674, 1704, 1917, 2168, 2201, 2232, 2439, 2556, 3252, 3348, 3408, 3834, 4336, 4402, 4464, 4878, 5112, 6504, 6603, 6696, 7317, 7668, 8401, 8804, 9756, 10224, 13008, 13206, 13392, 14634, 15336, 16802, 17608, 19241, 19512, 19809, 25203, 26412, 29268, 30672, 33604, 35216, 38482, 39024, 39618, 50406, 52824, 57723, 58536, 59427, 67208, 75609, 76964, 79236, 100812, 105648, 115446, 117072, 118854, 134416, 151218, 153928, 158472, 173169, 201624, 226827, 230892, 237708, 302436, 307856, 316944, 346338, 403248, 453654, 461784, 475416, 519507, 596471, 604872, 692676, 907308, 923568, 950832, 1039014, 1192942, 1209744, 1385352, 1789413, 1814616, 2078028, 2385884, 2770704, 3578826, 3629232, 4156056, 4771768, 5368239, 7157652, 8312112, 9543536, 10736478, 14315304, 16104717, 21472956, 28630608, 32209434, 42945912, 64418868, 85891824, 128837736, 257675472]

約数ペア:

[(1, 257675472), (2, 128837736), (3, 85891824), (4, 64418868), (6, 42945912), (8, 32209434), (9, 28630608), (12, 21472956), (16, 16104717), (18, 14315304), (24, 10736478), (27, 9543536), (31, 8312112), (36, 7157652), (48, 5368239), (54, 4771768), (62, 4156056), (71, 3629232), (72, 3578826), (93, 2770704), (108, 2385884), (124, 2078028), (142, 1814616), (144, 1789413), (186, 1385352), (213, 1209744), (216, 1192942), (248, 1039014), (271, 950832), (279, 923568), (284, 907308), (372, 692676), (426, 604872), (432, 596471), (496, 519507), (542, 475416), (558, 461784), (568, 453654), (639, 403248), (744, 346338), (813, 316944), (837, 307856), (852, 302436), (1084, 237708), (1116, 230892), (1136, 226827), (1278, 201624), (1488, 173169), (1626, 158472), (1674, 153928), (1704, 151218), (1917, 134416), (2168, 118854), (2201, 117072), (2232, 115446), (2439, 105648), (2556, 100812), (3252, 79236), (3348, 76964), (3408, 75609), (3834, 67208), (4336, 59427), (4402, 58536), (4464, 57723), (4878, 52824), (5112, 50406), (6504, 39618), (6603, 39024), (6696, 38482), (7317, 35216), (7668, 33604), (8401, 30672), (8804, 29268), (9756, 26412), (10224, 25203), (13008, 19809), (13206, 19512), (13392, 19241), (14634, 17608), (15336, 16802)]