21987600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:345

約数の個数: 120

約数和(自身を含む): 71682912

約数和(自身を除く): 49695312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 73, 75, 80, 100, 120, 146, 150, 200, 219, 240, 251, 292, 300, 365, 400, 438, 502, 584, 600, 730, 753, 876, 1004, 1095, 1168, 1200, 1255, 1460, 1506, 1752, 1825, 2008, 2190, 2510, 2920, 3012, 3504, 3650, 3765, 4016, 4380, 5020, 5475, 5840, 6024, 6275, 7300, 7530, 8760, 10040, 10950, 12048, 12550, 14600, 15060, 17520, 18323, 18825, 20080, 21900, 25100, 29200, 30120, 36646, 37650, 43800, 50200, 54969, 60240, 73292, 75300, 87600, 91615, 100400, 109938, 146584, 150600, 183230, 219876, 274845, 293168, 301200, 366460, 439752, 458075, 549690, 732920, 879504, 916150, 1099380, 1374225, 1465840, 1832300, 2198760, 2748450, 3664600, 4397520, 5496900, 7329200, 10993800, 21987600]

約数ペア:

[(1, 21987600), (2, 10993800), (3, 7329200), (4, 5496900), (5, 4397520), (6, 3664600), (8, 2748450), (10, 2198760), (12, 1832300), (15, 1465840), (16, 1374225), (20, 1099380), (24, 916150), (25, 879504), (30, 732920), (40, 549690), (48, 458075), (50, 439752), (60, 366460), (73, 301200), (75, 293168), (80, 274845), (100, 219876), (120, 183230), (146, 150600), (150, 146584), (200, 109938), (219, 100400), (240, 91615), (251, 87600), (292, 75300), (300, 73292), (365, 60240), (400, 54969), (438, 50200), (502, 43800), (584, 37650), (600, 36646), (730, 30120), (753, 29200), (876, 25100), (1004, 21900), (1095, 20080), (1168, 18825), (1200, 18323), (1255, 17520), (1460, 15060), (1506, 14600), (1752, 12550), (1825, 12048), (2008, 10950), (2190, 10040), (2510, 8760), (2920, 7530), (3012, 7300), (3504, 6275), (3650, 6024), (3765, 5840), (4016, 5475), (4380, 5020)]