256516128

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{433}}^1$

素因数の和:488

約数の個数: 216

約数和(自身を含む): 850937724

約数和(自身を除く): 594421596

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 17, 18, 22, 24, 32, 33, 34, 36, 44, 48, 51, 66, 68, 72, 88, 96, 99, 102, 121, 132, 136, 144, 153, 176, 187, 198, 204, 242, 264, 272, 288, 306, 352, 363, 374, 396, 408, 433, 484, 528, 544, 561, 612, 726, 748, 792, 816, 866, 968, 1056, 1089, 1122, 1224, 1299, 1452, 1496, 1584, 1632, 1683, 1732, 1936, 2057, 2178, 2244, 2448, 2598, 2904, 2992, 3168, 3366, 3464, 3872, 3897, 4114, 4356, 4488, 4763, 4896, 5196, 5808, 5984, 6171, 6732, 6928, 7361, 7794, 8228, 8712, 8976, 9526, 10392, 11616, 12342, 13464, 13856, 14289, 14722, 15588, 16456, 17424, 17952, 18513, 19052, 20784, 22083, 24684, 26928, 28578, 29444, 31176, 32912, 34848, 37026, 38104, 41568, 42867, 44166, 49368, 52393, 53856, 57156, 58888, 62352, 65824, 66249, 74052, 76208, 80971, 85734, 88332, 98736, 104786, 114312, 117776, 124704, 132498, 148104, 152416, 157179, 161942, 171468, 176664, 197472, 209572, 228624, 235552, 242913, 264996, 296208, 314358, 323884, 342936, 353328, 419144, 457248, 471537, 485826, 529992, 592416, 628716, 647768, 685872, 706656, 728739, 838288, 890681, 943074, 971652, 1059984, 1257432, 1295536, 1371744, 1457478, 1676576, 1781362, 1886148, 1943304, 2119968, 2514864, 2591072, 2672043, 2914956, 3562724, 3772296, 3886608, 5029728, 5344086, 5829912, 7125448, 7544592, 7773216, 8016129, 10688172, 11659824, 14250896, 15089184, 16032258, 21376344, 23319648, 28501792, 32064516, 42752688, 64129032, 85505376, 128258064, 256516128]

約数ペア:

[(1, 256516128), (2, 128258064), (3, 85505376), (4, 64129032), (6, 42752688), (8, 32064516), (9, 28501792), (11, 23319648), (12, 21376344), (16, 16032258), (17, 15089184), (18, 14250896), (22, 11659824), (24, 10688172), (32, 8016129), (33, 7773216), (34, 7544592), (36, 7125448), (44, 5829912), (48, 5344086), (51, 5029728), (66, 3886608), (68, 3772296), (72, 3562724), (88, 2914956), (96, 2672043), (99, 2591072), (102, 2514864), (121, 2119968), (132, 1943304), (136, 1886148), (144, 1781362), (153, 1676576), (176, 1457478), (187, 1371744), (198, 1295536), (204, 1257432), (242, 1059984), (264, 971652), (272, 943074), (288, 890681), (306, 838288), (352, 728739), (363, 706656), (374, 685872), (396, 647768), (408, 628716), (433, 592416), (484, 529992), (528, 485826), (544, 471537), (561, 457248), (612, 419144), (726, 353328), (748, 342936), (792, 323884), (816, 314358), (866, 296208), (968, 264996), (1056, 242913), (1089, 235552), (1122, 228624), (1224, 209572), (1299, 197472), (1452, 176664), (1496, 171468), (1584, 161942), (1632, 157179), (1683, 152416), (1732, 148104), (1936, 132498), (2057, 124704), (2178, 117776), (2244, 114312), (2448, 104786), (2598, 98736), (2904, 88332), (2992, 85734), (3168, 80971), (3366, 76208), (3464, 74052), (3872, 66249), (3897, 65824), (4114, 62352), (4356, 58888), (4488, 57156), (4763, 53856), (4896, 52393), (5196, 49368), (5808, 44166), (5984, 42867), (6171, 41568), (6732, 38104), (6928, 37026), (7361, 34848), (7794, 32912), (8228, 31176), (8712, 29444), (8976, 28578), (9526, 26928), (10392, 24684), (11616, 22083), (12342, 20784), (13464, 19052), (13856, 18513), (14289, 17952), (14722, 17424), (15588, 16456)]