30161920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:205

約数の個数: 88

約数和(自身を含む): 74576304

約数和(自身を除く): 44414384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 137, 160, 172, 215, 256, 274, 320, 344, 430, 512, 548, 640, 685, 688, 860, 1024, 1096, 1280, 1370, 1376, 1720, 2192, 2560, 2740, 2752, 3440, 4384, 5120, 5480, 5504, 5891, 6880, 8768, 10960, 11008, 11782, 13760, 17536, 21920, 22016, 23564, 27520, 29455, 35072, 43840, 44032, 47128, 55040, 58910, 70144, 87680, 94256, 110080, 117820, 140288, 175360, 188512, 220160, 235640, 350720, 377024, 471280, 701440, 754048, 942560, 1508096, 1885120, 3016192, 3770240, 6032384, 7540480, 15080960, 30161920]

約数ペア:

[(1, 30161920), (2, 15080960), (4, 7540480), (5, 6032384), (8, 3770240), (10, 3016192), (16, 1885120), (20, 1508096), (32, 942560), (40, 754048), (43, 701440), (64, 471280), (80, 377024), (86, 350720), (128, 235640), (137, 220160), (160, 188512), (172, 175360), (215, 140288), (256, 117820), (274, 110080), (320, 94256), (344, 87680), (430, 70144), (512, 58910), (548, 55040), (640, 47128), (685, 44032), (688, 43840), (860, 35072), (1024, 29455), (1096, 27520), (1280, 23564), (1370, 22016), (1376, 21920), (1720, 17536), (2192, 13760), (2560, 11782), (2740, 11008), (2752, 10960), (3440, 8768), (4384, 6880), (5120, 5891), (5480, 5504)]