55121640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{311}}^1$

素因数の和:543

約数の個数: 128

約数和(自身を含む): 190494720

約数和(自身を除く): 135373080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 211, 280, 311, 420, 422, 622, 633, 840, 844, 933, 1055, 1244, 1266, 1477, 1555, 1688, 1866, 2110, 2177, 2488, 2532, 2954, 3110, 3165, 3732, 4220, 4354, 4431, 4665, 5064, 5908, 6220, 6330, 6531, 7385, 7464, 8440, 8708, 8862, 9330, 10885, 11816, 12440, 12660, 13062, 14770, 17416, 17724, 18660, 21770, 22155, 25320, 26124, 29540, 32655, 35448, 37320, 43540, 44310, 52248, 59080, 65310, 65621, 87080, 88620, 130620, 131242, 177240, 196863, 261240, 262484, 328105, 393726, 459347, 524968, 656210, 787452, 918694, 984315, 1312420, 1378041, 1574904, 1837388, 1968630, 2296735, 2624840, 2756082, 3674776, 3937260, 4593470, 5512164, 6890205, 7874520, 9186940, 11024328, 13780410, 18373880, 27560820, 55121640]

約数ペア:

[(1, 55121640), (2, 27560820), (3, 18373880), (4, 13780410), (5, 11024328), (6, 9186940), (7, 7874520), (8, 6890205), (10, 5512164), (12, 4593470), (14, 3937260), (15, 3674776), (20, 2756082), (21, 2624840), (24, 2296735), (28, 1968630), (30, 1837388), (35, 1574904), (40, 1378041), (42, 1312420), (56, 984315), (60, 918694), (70, 787452), (84, 656210), (105, 524968), (120, 459347), (140, 393726), (168, 328105), (210, 262484), (211, 261240), (280, 196863), (311, 177240), (420, 131242), (422, 130620), (622, 88620), (633, 87080), (840, 65621), (844, 65310), (933, 59080), (1055, 52248), (1244, 44310), (1266, 43540), (1477, 37320), (1555, 35448), (1688, 32655), (1866, 29540), (2110, 26124), (2177, 25320), (2488, 22155), (2532, 21770), (2954, 18660), (3110, 17724), (3165, 17416), (3732, 14770), (4220, 13062), (4354, 12660), (4431, 12440), (4665, 11816), (5064, 10885), (5908, 9330), (6220, 8862), (6330, 8708), (6531, 8440), (7385, 7464)]