261241464

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:421

約数の個数: 128

約数和(自身を含む): 744007680

約数和(自身を除く): 482766216

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 31, 33, 44, 62, 66, 88, 93, 124, 132, 137, 186, 233, 248, 264, 274, 341, 372, 411, 466, 548, 682, 699, 744, 822, 932, 1023, 1096, 1364, 1398, 1507, 1644, 1864, 2046, 2563, 2728, 2796, 3014, 3288, 4092, 4247, 4521, 5126, 5592, 6028, 7223, 7689, 8184, 8494, 9042, 10252, 12056, 12741, 14446, 15378, 16988, 18084, 20504, 21669, 25482, 28892, 30756, 31921, 33976, 36168, 43338, 46717, 50964, 57784, 61512, 63842, 79453, 86676, 93434, 95763, 101928, 127684, 140151, 158906, 173352, 186868, 191526, 238359, 255368, 280302, 317812, 351131, 373736, 383052, 476718, 560604, 635624, 702262, 766104, 953436, 989551, 1053393, 1121208, 1404524, 1906872, 1979102, 2106786, 2809048, 2968653, 3958204, 4213572, 5937306, 7916408, 8427144, 10885061, 11874612, 21770122, 23749224, 32655183, 43540244, 65310366, 87080488, 130620732, 261241464]

約数ペア:

[(1, 261241464), (2, 130620732), (3, 87080488), (4, 65310366), (6, 43540244), (8, 32655183), (11, 23749224), (12, 21770122), (22, 11874612), (24, 10885061), (31, 8427144), (33, 7916408), (44, 5937306), (62, 4213572), (66, 3958204), (88, 2968653), (93, 2809048), (124, 2106786), (132, 1979102), (137, 1906872), (186, 1404524), (233, 1121208), (248, 1053393), (264, 989551), (274, 953436), (341, 766104), (372, 702262), (411, 635624), (466, 560604), (548, 476718), (682, 383052), (699, 373736), (744, 351131), (822, 317812), (932, 280302), (1023, 255368), (1096, 238359), (1364, 191526), (1398, 186868), (1507, 173352), (1644, 158906), (1864, 140151), (2046, 127684), (2563, 101928), (2728, 95763), (2796, 93434), (3014, 86676), (3288, 79453), (4092, 63842), (4247, 61512), (4521, 57784), (5126, 50964), (5592, 46717), (6028, 43338), (7223, 36168), (7689, 33976), (8184, 31921), (8494, 30756), (9042, 28892), (10252, 25482), (12056, 21669), (12741, 20504), (14446, 18084), (15378, 16988)]