256074720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4409}}^1$

素因数の和:4449

約数の個数: 144

約数和(自身を含む): 886833360

約数和(自身を除く): 630758640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 121, 132, 160, 165, 176, 220, 240, 242, 264, 330, 352, 363, 440, 480, 484, 528, 605, 660, 726, 880, 968, 1056, 1210, 1320, 1452, 1760, 1815, 1936, 2420, 2640, 2904, 3630, 3872, 4409, 4840, 5280, 5808, 7260, 8818, 9680, 11616, 13227, 14520, 17636, 19360, 22045, 26454, 29040, 35272, 44090, 48499, 52908, 58080, 66135, 70544, 88180, 96998, 105816, 132270, 141088, 145497, 176360, 193996, 211632, 242495, 264540, 290994, 352720, 387992, 423264, 484990, 529080, 533489, 581988, 705440, 727485, 775984, 969980, 1058160, 1066978, 1163976, 1454970, 1551968, 1600467, 1939960, 2116320, 2133956, 2327952, 2667445, 2909940, 3200934, 3879920, 4267912, 4655904, 5334890, 5819880, 6401868, 7759840, 8002335, 8535824, 10669780, 11639760, 12803736, 16004670, 17071648, 21339560, 23279520, 25607472, 32009340, 42679120, 51214944, 64018680, 85358240, 128037360, 256074720]

約数ペア:

[(1, 256074720), (2, 128037360), (3, 85358240), (4, 64018680), (5, 51214944), (6, 42679120), (8, 32009340), (10, 25607472), (11, 23279520), (12, 21339560), (15, 17071648), (16, 16004670), (20, 12803736), (22, 11639760), (24, 10669780), (30, 8535824), (32, 8002335), (33, 7759840), (40, 6401868), (44, 5819880), (48, 5334890), (55, 4655904), (60, 4267912), (66, 3879920), (80, 3200934), (88, 2909940), (96, 2667445), (110, 2327952), (120, 2133956), (121, 2116320), (132, 1939960), (160, 1600467), (165, 1551968), (176, 1454970), (220, 1163976), (240, 1066978), (242, 1058160), (264, 969980), (330, 775984), (352, 727485), (363, 705440), (440, 581988), (480, 533489), (484, 529080), (528, 484990), (605, 423264), (660, 387992), (726, 352720), (880, 290994), (968, 264540), (1056, 242495), (1210, 211632), (1320, 193996), (1452, 176360), (1760, 145497), (1815, 141088), (1936, 132270), (2420, 105816), (2640, 96998), (2904, 88180), (3630, 70544), (3872, 66135), (4409, 58080), (4840, 52908), (5280, 48499), (5808, 44090), (7260, 35272), (8818, 29040), (9680, 26454), (11616, 22045), (13227, 19360), (14520, 17636)]