30819520

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 112

約数和(自身を含む): 79918560

約数和(自身を除く): 49099040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 64, 74, 76, 80, 95, 137, 148, 152, 160, 185, 190, 274, 296, 304, 320, 370, 380, 548, 592, 608, 685, 703, 740, 760, 1096, 1184, 1216, 1370, 1406, 1480, 1520, 2192, 2368, 2603, 2740, 2812, 2960, 3040, 3515, 4384, 5069, 5206, 5480, 5624, 5920, 6080, 7030, 8768, 10138, 10412, 10960, 11248, 11840, 13015, 14060, 20276, 20824, 21920, 22496, 25345, 26030, 28120, 40552, 41648, 43840, 44992, 50690, 52060, 56240, 81104, 83296, 96311, 101380, 104120, 112480, 162208, 166592, 192622, 202760, 208240, 224960, 324416, 385244, 405520, 416480, 481555, 770488, 811040, 832960, 963110, 1540976, 1622080, 1926220, 3081952, 3852440, 6163904, 7704880, 15409760, 30819520]

約数ペア:

[(1, 30819520), (2, 15409760), (4, 7704880), (5, 6163904), (8, 3852440), (10, 3081952), (16, 1926220), (19, 1622080), (20, 1540976), (32, 963110), (37, 832960), (38, 811040), (40, 770488), (64, 481555), (74, 416480), (76, 405520), (80, 385244), (95, 324416), (137, 224960), (148, 208240), (152, 202760), (160, 192622), (185, 166592), (190, 162208), (274, 112480), (296, 104120), (304, 101380), (320, 96311), (370, 83296), (380, 81104), (548, 56240), (592, 52060), (608, 50690), (685, 44992), (703, 43840), (740, 41648), (760, 40552), (1096, 28120), (1184, 26030), (1216, 25345), (1370, 22496), (1406, 21920), (1480, 20824), (1520, 20276), (2192, 14060), (2368, 13015), (2603, 11840), (2740, 11248), (2812, 10960), (2960, 10412), (3040, 10138), (3515, 8768), (4384, 7030), (5069, 6080), (5206, 5920), (5480, 5624)]