30803920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{821}}^1$

素因数の和:908

約数の個数: 80

約数和(自身を含む): 83173248

約数和(自身を除く): 52369328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 80, 112, 134, 140, 268, 280, 335, 469, 536, 560, 670, 821, 938, 1072, 1340, 1642, 1876, 2345, 2680, 3284, 3752, 4105, 4690, 5360, 5747, 6568, 7504, 8210, 9380, 11494, 13136, 16420, 18760, 22988, 28735, 32840, 37520, 45976, 55007, 57470, 65680, 91952, 110014, 114940, 220028, 229880, 275035, 385049, 440056, 459760, 550070, 770098, 880112, 1100140, 1540196, 1925245, 2200280, 3080392, 3850490, 4400560, 6160784, 7700980, 15401960, 30803920]

約数ペア:

[(1, 30803920), (2, 15401960), (4, 7700980), (5, 6160784), (7, 4400560), (8, 3850490), (10, 3080392), (14, 2200280), (16, 1925245), (20, 1540196), (28, 1100140), (35, 880112), (40, 770098), (56, 550070), (67, 459760), (70, 440056), (80, 385049), (112, 275035), (134, 229880), (140, 220028), (268, 114940), (280, 110014), (335, 91952), (469, 65680), (536, 57470), (560, 55007), (670, 45976), (821, 37520), (938, 32840), (1072, 28735), (1340, 22988), (1642, 18760), (1876, 16420), (2345, 13136), (2680, 11494), (3284, 9380), (3752, 8210), (4105, 7504), (4690, 6568), (5360, 5747)]