261094704

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:355

約数の個数: 160

約数和(自身を含む): 778950144

約数和(自身を除く): 517855440

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 34, 39, 48, 51, 52, 68, 78, 102, 104, 136, 151, 156, 163, 204, 208, 221, 272, 302, 312, 326, 408, 442, 453, 489, 604, 624, 652, 663, 816, 884, 906, 978, 1208, 1304, 1326, 1768, 1812, 1956, 1963, 2119, 2416, 2567, 2608, 2652, 2771, 3536, 3624, 3912, 3926, 4238, 5134, 5304, 5542, 5889, 6357, 7248, 7701, 7824, 7852, 8313, 8476, 10268, 10608, 11084, 11778, 12714, 15402, 15704, 16626, 16952, 20536, 22168, 23556, 24613, 25428, 30804, 31408, 33252, 33371, 33904, 36023, 41072, 44336, 47112, 49226, 50856, 61608, 66504, 66742, 72046, 73839, 94224, 98452, 100113, 101712, 108069, 123216, 133008, 133484, 144092, 147678, 196904, 200226, 216138, 266968, 288184, 295356, 319969, 393808, 400452, 418421, 432276, 533936, 576368, 590712, 639938, 800904, 836842, 864552, 959907, 1181424, 1255263, 1279876, 1601808, 1673684, 1729104, 1919814, 2510526, 2559752, 3347368, 3839628, 5021052, 5119504, 5439473, 6694736, 7679256, 10042104, 10878946, 15358512, 16318419, 20084208, 21757892, 32636838, 43515784, 65273676, 87031568, 130547352, 261094704]

約数ペア:

[(1, 261094704), (2, 130547352), (3, 87031568), (4, 65273676), (6, 43515784), (8, 32636838), (12, 21757892), (13, 20084208), (16, 16318419), (17, 15358512), (24, 10878946), (26, 10042104), (34, 7679256), (39, 6694736), (48, 5439473), (51, 5119504), (52, 5021052), (68, 3839628), (78, 3347368), (102, 2559752), (104, 2510526), (136, 1919814), (151, 1729104), (156, 1673684), (163, 1601808), (204, 1279876), (208, 1255263), (221, 1181424), (272, 959907), (302, 864552), (312, 836842), (326, 800904), (408, 639938), (442, 590712), (453, 576368), (489, 533936), (604, 432276), (624, 418421), (652, 400452), (663, 393808), (816, 319969), (884, 295356), (906, 288184), (978, 266968), (1208, 216138), (1304, 200226), (1326, 196904), (1768, 147678), (1812, 144092), (1956, 133484), (1963, 133008), (2119, 123216), (2416, 108069), (2567, 101712), (2608, 100113), (2652, 98452), (2771, 94224), (3536, 73839), (3624, 72046), (3912, 66742), (3926, 66504), (4238, 61608), (5134, 50856), (5304, 49226), (5542, 47112), (5889, 44336), (6357, 41072), (7248, 36023), (7701, 33904), (7824, 33371), (7852, 33252), (8313, 31408), (8476, 30804), (10268, 25428), (10608, 24613), (11084, 23556), (11778, 22168), (12714, 20536), (15402, 16952), (15704, 16626)]