15665120

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5153}}^1$

素因数の和:5187

約数の個数: 48

約数和(自身を含む): 38964240

約数和(自身を除く): 23299120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 5153, 10306, 20612, 25765, 41224, 51530, 82448, 97907, 103060, 164896, 195814, 206120, 391628, 412240, 489535, 783256, 824480, 979070, 1566512, 1958140, 3133024, 3916280, 7832560, 15665120]

約数ペア:

[(1, 15665120), (2, 7832560), (4, 3916280), (5, 3133024), (8, 1958140), (10, 1566512), (16, 979070), (19, 824480), (20, 783256), (32, 489535), (38, 412240), (40, 391628), (76, 206120), (80, 195814), (95, 164896), (152, 103060), (160, 97907), (190, 82448), (304, 51530), (380, 41224), (608, 25765), (760, 20612), (1520, 10306), (3040, 5153)]