28713240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1697}}^1$

素因数の和:1761

約数の個数: 96

約数和(自身を含む): 95359680

約数和(自身を除く): 66646440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 72, 90, 94, 120, 141, 180, 188, 235, 282, 360, 376, 423, 470, 564, 705, 846, 940, 1128, 1410, 1692, 1697, 1880, 2115, 2820, 3384, 3394, 4230, 5091, 5640, 6788, 8460, 8485, 10182, 13576, 15273, 16920, 16970, 20364, 25455, 30546, 33940, 40728, 50910, 61092, 67880, 76365, 79759, 101820, 122184, 152730, 159518, 203640, 239277, 305460, 319036, 398795, 478554, 610920, 638072, 717831, 797590, 957108, 1196385, 1435662, 1595180, 1914216, 2392770, 2871324, 3190360, 3589155, 4785540, 5742648, 7178310, 9571080, 14356620, 28713240]

約数ペア:

[(1, 28713240), (2, 14356620), (3, 9571080), (4, 7178310), (5, 5742648), (6, 4785540), (8, 3589155), (9, 3190360), (10, 2871324), (12, 2392770), (15, 1914216), (18, 1595180), (20, 1435662), (24, 1196385), (30, 957108), (36, 797590), (40, 717831), (45, 638072), (47, 610920), (60, 478554), (72, 398795), (90, 319036), (94, 305460), (120, 239277), (141, 203640), (180, 159518), (188, 152730), (235, 122184), (282, 101820), (360, 79759), (376, 76365), (423, 67880), (470, 61092), (564, 50910), (705, 40728), (846, 33940), (940, 30546), (1128, 25455), (1410, 20364), (1692, 16970), (1697, 16920), (1880, 15273), (2115, 13576), (2820, 10182), (3384, 8485), (3394, 8460), (4230, 6788), (5091, 5640)]