15821120

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{1009}}^1$

素因数の和:1040

約数の個数: 84

約数和(自身を含む): 43868340

約数和(自身を除く): 28047220

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1009, 1120, 1568, 1960, 2018, 2240, 3136, 3920, 4036, 5045, 7063, 7840, 8072, 10090, 14126, 15680, 16144, 20180, 28252, 32288, 35315, 40360, 49441, 56504, 64576, 70630, 80720, 98882, 113008, 141260, 161440, 197764, 226016, 247205, 282520, 322880, 395528, 452032, 494410, 565040, 791056, 988820, 1130080, 1582112, 1977640, 2260160, 3164224, 3955280, 7910560, 15821120]

約数ペア:

[(1, 15821120), (2, 7910560), (4, 3955280), (5, 3164224), (7, 2260160), (8, 1977640), (10, 1582112), (14, 1130080), (16, 988820), (20, 791056), (28, 565040), (32, 494410), (35, 452032), (40, 395528), (49, 322880), (56, 282520), (64, 247205), (70, 226016), (80, 197764), (98, 161440), (112, 141260), (140, 113008), (160, 98882), (196, 80720), (224, 70630), (245, 64576), (280, 56504), (320, 49441), (392, 40360), (448, 35315), (490, 32288), (560, 28252), (784, 20180), (980, 16144), (1009, 15680), (1120, 14126), (1568, 10090), (1960, 8072), (2018, 7840), (2240, 7063), (3136, 5045), (3920, 4036)]