21451200

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:175

約数の個数: 168

約数和(自身を含む): 72755760

約数和(自身を除く): 51304560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 41, 48, 50, 60, 64, 75, 80, 82, 96, 100, 109, 120, 123, 150, 160, 164, 192, 200, 205, 218, 240, 246, 300, 320, 327, 328, 400, 410, 436, 480, 492, 545, 600, 615, 654, 656, 800, 820, 872, 960, 984, 1025, 1090, 1200, 1230, 1308, 1312, 1600, 1635, 1640, 1744, 1968, 2050, 2180, 2400, 2460, 2616, 2624, 2725, 3075, 3270, 3280, 3488, 3936, 4100, 4360, 4469, 4800, 4920, 5232, 5450, 6150, 6540, 6560, 6976, 7872, 8175, 8200, 8720, 8938, 9840, 10464, 10900, 12300, 13080, 13120, 13407, 16350, 16400, 17440, 17876, 19680, 20928, 21800, 22345, 24600, 26160, 26814, 32700, 32800, 34880, 35752, 39360, 43600, 44690, 49200, 52320, 53628, 65400, 65600, 67035, 71504, 87200, 89380, 98400, 104640, 107256, 111725, 130800, 134070, 143008, 174400, 178760, 196800, 214512, 223450, 261600, 268140, 286016, 335175, 357520, 429024, 446900, 523200, 536280, 670350, 715040, 858048, 893800, 1072560, 1340700, 1430080, 1787600, 2145120, 2681400, 3575200, 4290240, 5362800, 7150400, 10725600, 21451200]

約数ペア:

[(1, 21451200), (2, 10725600), (3, 7150400), (4, 5362800), (5, 4290240), (6, 3575200), (8, 2681400), (10, 2145120), (12, 1787600), (15, 1430080), (16, 1340700), (20, 1072560), (24, 893800), (25, 858048), (30, 715040), (32, 670350), (40, 536280), (41, 523200), (48, 446900), (50, 429024), (60, 357520), (64, 335175), (75, 286016), (80, 268140), (82, 261600), (96, 223450), (100, 214512), (109, 196800), (120, 178760), (123, 174400), (150, 143008), (160, 134070), (164, 130800), (192, 111725), (200, 107256), (205, 104640), (218, 98400), (240, 89380), (246, 87200), (300, 71504), (320, 67035), (327, 65600), (328, 65400), (400, 53628), (410, 52320), (436, 49200), (480, 44690), (492, 43600), (545, 39360), (600, 35752), (615, 34880), (654, 32800), (656, 32700), (800, 26814), (820, 26160), (872, 24600), (960, 22345), (984, 21800), (1025, 20928), (1090, 19680), (1200, 17876), (1230, 17440), (1308, 16400), (1312, 16350), (1600, 13407), (1635, 13120), (1640, 13080), (1744, 12300), (1968, 10900), (2050, 10464), (2180, 9840), (2400, 8938), (2460, 8720), (2616, 8200), (2624, 8175), (2725, 7872), (3075, 6976), (3270, 6560), (3280, 6540), (3488, 6150), (3936, 5450), (4100, 5232), (4360, 4920), (4469, 4800)]