261298752

素因数分解:

$2^6\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:377

約数の個数: 224

約数和(自身を含む): 841150464

約数和(自身を除く): 579851712

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 31, 32, 33, 39, 44, 48, 52, 62, 64, 66, 78, 88, 93, 96, 104, 124, 132, 143, 156, 176, 186, 192, 208, 248, 264, 286, 307, 312, 341, 352, 372, 403, 416, 429, 496, 528, 572, 614, 624, 682, 704, 744, 806, 832, 858, 921, 992, 1023, 1056, 1144, 1209, 1228, 1248, 1364, 1488, 1612, 1716, 1842, 1984, 2046, 2112, 2288, 2418, 2456, 2496, 2728, 2976, 3224, 3377, 3432, 3684, 3991, 4092, 4433, 4576, 4836, 4912, 5456, 5952, 6448, 6754, 6864, 7368, 7982, 8184, 8866, 9152, 9517, 9672, 9824, 10131, 10912, 11973, 12896, 13299, 13508, 13728, 14736, 15964, 16368, 17732, 19034, 19344, 19648, 20262, 21824, 23946, 25792, 26598, 27016, 27456, 28551, 29472, 31928, 32736, 35464, 38068, 38688, 40524, 43901, 47892, 53196, 54032, 57102, 58944, 63856, 65472, 70928, 76136, 77376, 81048, 87802, 95784, 104687, 106392, 108064, 114204, 123721, 127712, 131703, 141856, 152272, 162096, 175604, 191568, 209374, 212784, 216128, 228408, 247442, 255424, 263406, 283712, 304544, 314061, 324192, 351208, 371163, 383136, 418748, 425568, 456816, 494884, 526812, 609088, 628122, 648384, 702416, 742326, 766272, 837496, 851136, 913632, 989768, 1053624, 1256244, 1360931, 1404832, 1484652, 1674992, 1827264, 1979536, 2107248, 2512488, 2721862, 2809664, 2969304, 3349984, 3959072, 4082793, 4214496, 5024976, 5443724, 5938608, 6699968, 7918144, 8165586, 8428992, 10049952, 10887448, 11877216, 16331172, 20099904, 21774896, 23754432, 32662344, 43549792, 65324688, 87099584, 130649376, 261298752]

約数ペア:

[(1, 261298752), (2, 130649376), (3, 87099584), (4, 65324688), (6, 43549792), (8, 32662344), (11, 23754432), (12, 21774896), (13, 20099904), (16, 16331172), (22, 11877216), (24, 10887448), (26, 10049952), (31, 8428992), (32, 8165586), (33, 7918144), (39, 6699968), (44, 5938608), (48, 5443724), (52, 5024976), (62, 4214496), (64, 4082793), (66, 3959072), (78, 3349984), (88, 2969304), (93, 2809664), (96, 2721862), (104, 2512488), (124, 2107248), (132, 1979536), (143, 1827264), (156, 1674992), (176, 1484652), (186, 1404832), (192, 1360931), (208, 1256244), (248, 1053624), (264, 989768), (286, 913632), (307, 851136), (312, 837496), (341, 766272), (352, 742326), (372, 702416), (403, 648384), (416, 628122), (429, 609088), (496, 526812), (528, 494884), (572, 456816), (614, 425568), (624, 418748), (682, 383136), (704, 371163), (744, 351208), (806, 324192), (832, 314061), (858, 304544), (921, 283712), (992, 263406), (1023, 255424), (1056, 247442), (1144, 228408), (1209, 216128), (1228, 212784), (1248, 209374), (1364, 191568), (1488, 175604), (1612, 162096), (1716, 152272), (1842, 141856), (1984, 131703), (2046, 127712), (2112, 123721), (2288, 114204), (2418, 108064), (2456, 106392), (2496, 104687), (2728, 95784), (2976, 87802), (3224, 81048), (3377, 77376), (3432, 76136), (3684, 70928), (3991, 65472), (4092, 63856), (4433, 58944), (4576, 57102), (4836, 54032), (4912, 53196), (5456, 47892), (5952, 43901), (6448, 40524), (6754, 38688), (6864, 38068), (7368, 35464), (7982, 32736), (8184, 31928), (8866, 29472), (9152, 28551), (9517, 27456), (9672, 27016), (9824, 26598), (10131, 25792), (10912, 23946), (11973, 21824), (12896, 20262), (13299, 19648), (13508, 19344), (13728, 19034), (14736, 17732), (15964, 16368)]