28312770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1109}}^1$

素因数の和:1179

約数の個数: 64

約数和(自身を含む): 72887040

約数和(自身を除く): 44574270

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 37, 46, 69, 74, 111, 115, 138, 185, 222, 230, 345, 370, 555, 690, 851, 1109, 1110, 1702, 2218, 2553, 3327, 4255, 5106, 5545, 6654, 8510, 11090, 12765, 16635, 25507, 25530, 33270, 41033, 51014, 76521, 82066, 123099, 127535, 153042, 205165, 246198, 255070, 382605, 410330, 615495, 765210, 943759, 1230990, 1887518, 2831277, 4718795, 5662554, 9437590, 14156385, 28312770]

約数ペア:

[(1, 28312770), (2, 14156385), (3, 9437590), (5, 5662554), (6, 4718795), (10, 2831277), (15, 1887518), (23, 1230990), (30, 943759), (37, 765210), (46, 615495), (69, 410330), (74, 382605), (111, 255070), (115, 246198), (138, 205165), (185, 153042), (222, 127535), (230, 123099), (345, 82066), (370, 76521), (555, 51014), (690, 41033), (851, 33270), (1109, 25530), (1110, 25507), (1702, 16635), (2218, 12765), (2553, 11090), (3327, 8510), (4255, 6654), (5106, 5545)]