256319784

素因数分解:

$2^3\times 3^2\times 7^3\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:237

約数の個数: 192

約数和(自身を含む): 825552000

約数和(自身を除く): 569232216

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 97, 98, 107, 126, 147, 168, 194, 196, 214, 252, 291, 294, 321, 343, 388, 392, 428, 441, 504, 582, 588, 642, 679, 686, 749, 776, 856, 873, 882, 963, 1029, 1164, 1176, 1284, 1358, 1372, 1498, 1746, 1764, 1926, 2037, 2058, 2247, 2328, 2568, 2716, 2744, 2996, 3087, 3492, 3528, 3852, 4074, 4116, 4494, 4753, 5243, 5432, 5992, 6111, 6174, 6741, 6984, 7704, 8148, 8232, 8988, 9506, 10379, 10486, 12222, 12348, 13482, 14259, 15729, 16296, 17976, 19012, 20758, 20972, 24444, 24696, 26964, 28518, 31137, 31458, 33271, 36701, 38024, 41516, 41944, 42777, 47187, 48888, 53928, 57036, 62274, 62916, 66542, 72653, 73402, 83032, 85554, 93411, 94374, 99813, 110103, 114072, 124548, 125832, 133084, 145306, 146804, 171108, 186822, 188748, 199626, 217959, 220206, 249096, 266168, 290612, 293608, 299439, 330309, 342216, 373644, 377496, 399252, 435918, 440412, 508571, 581224, 598878, 653877, 660618, 747288, 798504, 871836, 880824, 1017142, 1197756, 1307754, 1321236, 1525713, 1743672, 2034284, 2395512, 2615508, 2642472, 3051426, 3559997, 4068568, 4577139, 5231016, 6102852, 7119994, 9154278, 10679991, 12205704, 14239988, 18308556, 21359982, 28479976, 32039973, 36617112, 42719964, 64079946, 85439928, 128159892, 256319784]

約数ペア:

[(1, 256319784), (2, 128159892), (3, 85439928), (4, 64079946), (6, 42719964), (7, 36617112), (8, 32039973), (9, 28479976), (12, 21359982), (14, 18308556), (18, 14239988), (21, 12205704), (24, 10679991), (28, 9154278), (36, 7119994), (42, 6102852), (49, 5231016), (56, 4577139), (63, 4068568), (72, 3559997), (84, 3051426), (97, 2642472), (98, 2615508), (107, 2395512), (126, 2034284), (147, 1743672), (168, 1525713), (194, 1321236), (196, 1307754), (214, 1197756), (252, 1017142), (291, 880824), (294, 871836), (321, 798504), (343, 747288), (388, 660618), (392, 653877), (428, 598878), (441, 581224), (504, 508571), (582, 440412), (588, 435918), (642, 399252), (679, 377496), (686, 373644), (749, 342216), (776, 330309), (856, 299439), (873, 293608), (882, 290612), (963, 266168), (1029, 249096), (1164, 220206), (1176, 217959), (1284, 199626), (1358, 188748), (1372, 186822), (1498, 171108), (1746, 146804), (1764, 145306), (1926, 133084), (2037, 125832), (2058, 124548), (2247, 114072), (2328, 110103), (2568, 99813), (2716, 94374), (2744, 93411), (2996, 85554), (3087, 83032), (3492, 73402), (3528, 72653), (3852, 66542), (4074, 62916), (4116, 62274), (4494, 57036), (4753, 53928), (5243, 48888), (5432, 47187), (5992, 42777), (6111, 41944), (6174, 41516), (6741, 38024), (6984, 36701), (7704, 33271), (8148, 31458), (8232, 31137), (8988, 28518), (9506, 26964), (10379, 24696), (10486, 24444), (12222, 20972), (12348, 20758), (13482, 19012), (14259, 17976), (15729, 16296)]