28756890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1459}}^1$

素因数の和:1548

約数の個数: 64

約数和(自身を含む): 77788800

約数和(自身を除く): 49031910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 73, 90, 135, 146, 219, 270, 365, 438, 657, 730, 1095, 1314, 1459, 1971, 2190, 2918, 3285, 3942, 4377, 6570, 7295, 8754, 9855, 13131, 14590, 19710, 21885, 26262, 39393, 43770, 65655, 78786, 106507, 131310, 196965, 213014, 319521, 393930, 532535, 639042, 958563, 1065070, 1597605, 1917126, 2875689, 3195210, 4792815, 5751378, 9585630, 14378445, 28756890]

約数ペア:

[(1, 28756890), (2, 14378445), (3, 9585630), (5, 5751378), (6, 4792815), (9, 3195210), (10, 2875689), (15, 1917126), (18, 1597605), (27, 1065070), (30, 958563), (45, 639042), (54, 532535), (73, 393930), (90, 319521), (135, 213014), (146, 196965), (219, 131310), (270, 106507), (365, 78786), (438, 65655), (657, 43770), (730, 39393), (1095, 26262), (1314, 21885), (1459, 19710), (1971, 14590), (2190, 13131), (2918, 9855), (3285, 8754), (3942, 7295), (4377, 6570)]