204899520

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{30491}}^1$

素因数の和:30518

約数の個数: 112

約数和(自身を含む): 743516928

約数和(自身を除く): 538617408

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 30491, 60982, 91473, 121964, 152455, 182946, 213437, 243928, 304910, 365892, 426874, 457365, 487856, 609820, 640311, 731784, 853748, 914730, 975712, 1067185, 1219640, 1280622, 1463568, 1707496, 1829460, 1951424, 2134370, 2439280, 2561244, 2927136, 3201555, 3414992, 3658920, 4268740, 4878560, 5122488, 5854272, 6403110, 6829984, 7317840, 8537480, 9757120, 10244976, 12806220, 13659968, 14635680, 17074960, 20489952, 25612440, 29271360, 34149920, 40979904, 51224880, 68299840, 102449760, 204899520]

約数ペア:

[(1, 204899520), (2, 102449760), (3, 68299840), (4, 51224880), (5, 40979904), (6, 34149920), (7, 29271360), (8, 25612440), (10, 20489952), (12, 17074960), (14, 14635680), (15, 13659968), (16, 12806220), (20, 10244976), (21, 9757120), (24, 8537480), (28, 7317840), (30, 6829984), (32, 6403110), (35, 5854272), (40, 5122488), (42, 4878560), (48, 4268740), (56, 3658920), (60, 3414992), (64, 3201555), (70, 2927136), (80, 2561244), (84, 2439280), (96, 2134370), (105, 1951424), (112, 1829460), (120, 1707496), (140, 1463568), (160, 1280622), (168, 1219640), (192, 1067185), (210, 975712), (224, 914730), (240, 853748), (280, 731784), (320, 640311), (336, 609820), (420, 487856), (448, 457365), (480, 426874), (560, 365892), (672, 304910), (840, 243928), (960, 213437), (1120, 182946), (1344, 152455), (1680, 121964), (2240, 91473), (3360, 60982), (6720, 30491)]