20578800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1559}}^1$

素因数の和:1591

約数の個数: 120

約数和(自身を含む): 71959680

約数和(自身を除く): 51380880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 33, 40, 44, 48, 50, 55, 60, 66, 75, 80, 88, 100, 110, 120, 132, 150, 165, 176, 200, 220, 240, 264, 275, 300, 330, 400, 440, 528, 550, 600, 660, 825, 880, 1100, 1200, 1320, 1559, 1650, 2200, 2640, 3118, 3300, 4400, 4677, 6236, 6600, 7795, 9354, 12472, 13200, 15590, 17149, 18708, 23385, 24944, 31180, 34298, 37416, 38975, 46770, 51447, 62360, 68596, 74832, 77950, 85745, 93540, 102894, 116925, 124720, 137192, 155900, 171490, 187080, 205788, 233850, 257235, 274384, 311800, 342980, 374160, 411576, 428725, 467700, 514470, 623600, 685960, 823152, 857450, 935400, 1028940, 1286175, 1371920, 1714900, 1870800, 2057880, 2572350, 3429800, 4115760, 5144700, 6859600, 10289400, 20578800]

約数ペア:

[(1, 20578800), (2, 10289400), (3, 6859600), (4, 5144700), (5, 4115760), (6, 3429800), (8, 2572350), (10, 2057880), (11, 1870800), (12, 1714900), (15, 1371920), (16, 1286175), (20, 1028940), (22, 935400), (24, 857450), (25, 823152), (30, 685960), (33, 623600), (40, 514470), (44, 467700), (48, 428725), (50, 411576), (55, 374160), (60, 342980), (66, 311800), (75, 274384), (80, 257235), (88, 233850), (100, 205788), (110, 187080), (120, 171490), (132, 155900), (150, 137192), (165, 124720), (176, 116925), (200, 102894), (220, 93540), (240, 85745), (264, 77950), (275, 74832), (300, 68596), (330, 62360), (400, 51447), (440, 46770), (528, 38975), (550, 37416), (600, 34298), (660, 31180), (825, 24944), (880, 23385), (1100, 18708), (1200, 17149), (1320, 15590), (1559, 13200), (1650, 12472), (2200, 9354), (2640, 7795), (3118, 6600), (3300, 6236), (4400, 4677)]