256477887792

素因数分解:

$2^4\times 3^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:263

約数の個数: 960

約数和(自身を含む): 928140595200

約数和(自身を除く): 671662707408

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 34, 36, 42, 47, 48, 49, 51, 56, 63, 67, 68, 72, 84, 94, 97, 98, 102, 112, 119, 126, 134, 136, 141, 144, 147, 153, 168, 188, 194, 196, 201, 204, 238, 252, 268, 272, 282, 291, 294, 306, 329, 336, 343, 357, 376, 388, 392, 402, 408, 423, 441, 469, 476, 504, 536, 564, 582, 588, 603, 612, 658, 679, 686, 714, 752, 776, 784, 799, 804, 816, 833, 846, 873, 882, 938, 952, 987, 1008, 1029, 1071, 1072, 1128, 1139, 1164, 1176, 1206, 1224, 1316, 1358, 1372, 1407, 1428, 1552, 1598, 1608, 1649, 1666, 1692, 1746, 1764, 1876, 1904, 1974, 2037, 2058, 2142, 2256, 2278, 2303, 2328, 2352, 2397, 2412, 2448, 2499, 2632, 2716, 2744, 2814, 2856, 2961, 3087, 3149, 3196, 3216, 3283, 3298, 3332, 3384, 3417, 3492, 3528, 3752, 3948, 4074, 4116, 4221, 4284, 4556, 4559, 4606, 4656, 4753, 4794, 4824, 4947, 4998, 5264, 5432, 5488, 5593, 5628, 5712, 5831, 5922, 6111, 6174, 6298, 6392, 6499, 6566, 6596, 6664, 6768, 6834, 6909, 6984, 7056, 7191, 7497, 7504, 7896, 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約数ペア:

[(1, 256477887792), (2, 128238943896), (3, 85492629264), (4, 64119471948), (6, 42746314632), (7, 36639698256), (8, 32059735974), (9, 28497543088), (12, 21373157316), (14, 18319849128), (16, 16029867987), (17, 15086934576), (18, 14248771544), (21, 12213232752), (24, 10686578658), (28, 9159924564), (34, 7543467288), (36, 7124385772), (42, 6106616376), (47, 5456976336), (48, 5343289329), (49, 5234242608), (51, 5028978192), (56, 4579962282), (63, 4071077584), (67, 3828028176), (68, 3771733644), (72, 3562192886), (84, 3053308188), (94, 2728488168), (97, 2644101936), (98, 2617121304), (102, 2514489096), (112, 2289981141), (119, 2155276368), (126, 2035538792), (134, 1914014088), (136, 1885866822), (141, 1818992112), (144, 1781096443), (147, 1744747536), (153, 1676326064), (168, 1526654094), (188, 1364244084), (194, 1322050968), (196, 1308560652), (201, 1276009392), (204, 1257244548), (238, 1077638184), (252, 1017769396), (268, 957007044), (272, 942933411), (282, 909496056), (291, 881367312), (294, 872373768), (306, 838163032), (329, 779568048), (336, 763327047), (343, 747748944), (357, 718425456), (376, 682122042), (388, 661025484), (392, 654280326), (402, 638004696), (408, 628622274), (423, 606330704), (441, 581582512), (469, 546861168), (476, 538819092), (504, 508884698), (536, 478503522), (564, 454748028), (582, 440683656), (588, 436186884), (603, 425336464), (612, 419081516), (658, 389784024), (679, 377728848), (686, 373874472), (714, 359212728), (752, 341061021), (776, 330512742), (784, 327140163), (799, 320998608), (804, 319002348), (816, 314311137), (833, 307896624), (846, 303165352), (873, 293789104), (882, 290791256), (938, 273430584), (952, 269409546), (987, 259856016), (1008, 254442349), (1029, 249249648), (1071, 239475152), (1072, 239251761), (1128, 227374014), (1139, 225178128), (1164, 220341828), (1176, 218093442), (1206, 212668232), (1224, 209540758), (1316, 194892012), (1358, 188864424), (1372, 186937236), (1407, 182287056), (1428, 179606364), (1552, 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925806), (279888, 916359), (287028, 893564), (287217, 892976), (290178, 883864), (299439, 856528), (305453, 839664), (308602, 831096), (310012, 827316), (311952, 822171), (313208, 818874), (318451, 805392), (321198, 798504), (323204, 793548), (328248, 781354), (331449, 773808), (331632, 773381), (334866, 765912), (342216, 749462), (352359, 727888), (352688, 727209), (363944, 704718), (367696, 697527), (374731, 684432), (382704, 670173), (382956, 669732), (386904, 662898), (390677, 656496), (396774, 646408), (399252, 642396), (402696, 636902), (409437, 626416), (413658, 620024), (415548, 617204), (419832, 610906), (428264, 598878), (441932, 580356), (446488, 574434), (446782, 574056), (453456, 565607), (462903, 554064), (465018, 551544), (467928, 548114), (469812, 545916), (472752, 542521), (481797, 532336), (484806, 529032), (502299, 510608)]