261289280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1741}}^1$

素因数の和:1832

約数の個数: 112

約数和(自身を含む): 722107776

約数和(自身を除く): 460818496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 67, 70, 80, 112, 134, 140, 160, 224, 268, 280, 320, 335, 448, 469, 536, 560, 670, 938, 1072, 1120, 1340, 1741, 1876, 2144, 2240, 2345, 2680, 3482, 3752, 4288, 4690, 5360, 6964, 7504, 8705, 9380, 10720, 12187, 13928, 15008, 17410, 18760, 21440, 24374, 27856, 30016, 34820, 37520, 48748, 55712, 60935, 69640, 75040, 97496, 111424, 116647, 121870, 139280, 150080, 194992, 233294, 243740, 278560, 389984, 466588, 487480, 557120, 583235, 779968, 816529, 933176, 974960, 1166470, 1633058, 1866352, 1949920, 2332940, 3266116, 3732704, 3899840, 4082645, 4665880, 6532232, 7465408, 8165290, 9331760, 13064464, 16330580, 18663520, 26128928, 32661160, 37327040, 52257856, 65322320, 130644640, 261289280]

約数ペア:

[(1, 261289280), (2, 130644640), (4, 65322320), (5, 52257856), (7, 37327040), (8, 32661160), (10, 26128928), (14, 18663520), (16, 16330580), (20, 13064464), (28, 9331760), (32, 8165290), (35, 7465408), (40, 6532232), (56, 4665880), (64, 4082645), (67, 3899840), (70, 3732704), (80, 3266116), (112, 2332940), (134, 1949920), (140, 1866352), (160, 1633058), (224, 1166470), (268, 974960), (280, 933176), (320, 816529), (335, 779968), (448, 583235), (469, 557120), (536, 487480), (560, 466588), (670, 389984), (938, 278560), (1072, 243740), (1120, 233294), (1340, 194992), (1741, 150080), (1876, 139280), (2144, 121870), (2240, 116647), (2345, 111424), (2680, 97496), (3482, 75040), (3752, 69640), (4288, 60935), (4690, 55712), (5360, 48748), (6964, 37520), (7504, 34820), (8705, 30016), (9380, 27856), (10720, 24374), (12187, 21440), (13928, 18760), (15008, 17410)]