15041920

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1237}}^1$

素因数の和:1275

約数の個数: 64

約数和(自身を含む): 37882800

約数和(自身を除く): 22840880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1237, 1520, 2432, 2474, 3040, 4948, 6080, 6185, 9896, 12160, 12370, 19792, 23503, 24740, 39584, 47006, 49480, 79168, 94012, 98960, 117515, 158336, 188024, 197920, 235030, 376048, 395840, 470060, 752096, 791680, 940120, 1504192, 1880240, 3008384, 3760480, 7520960, 15041920]

約数ペア:

[(1, 15041920), (2, 7520960), (4, 3760480), (5, 3008384), (8, 1880240), (10, 1504192), (16, 940120), (19, 791680), (20, 752096), (32, 470060), (38, 395840), (40, 376048), (64, 235030), (76, 197920), (80, 188024), (95, 158336), (128, 117515), (152, 98960), (160, 94012), (190, 79168), (304, 49480), (320, 47006), (380, 39584), (608, 24740), (640, 23503), (760, 19792), (1216, 12370), (1237, 12160), (1520, 9896), (2432, 6185), (2474, 6080), (3040, 4948)]