212531400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1663}}^1$

素因数の和:1756

約数の個数: 144

約数和(自身を含む): 724239360

約数和(自身を除く): 511707960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 71, 72, 75, 90, 100, 120, 142, 150, 180, 200, 213, 225, 284, 300, 355, 360, 426, 450, 568, 600, 639, 710, 852, 900, 1065, 1278, 1420, 1663, 1704, 1775, 1800, 2130, 2556, 2840, 3195, 3326, 3550, 4260, 4989, 5112, 5325, 6390, 6652, 7100, 8315, 8520, 9978, 10650, 12780, 13304, 14200, 14967, 15975, 16630, 19956, 21300, 24945, 25560, 29934, 31950, 33260, 39912, 41575, 42600, 49890, 59868, 63900, 66520, 74835, 83150, 99780, 118073, 119736, 124725, 127800, 149670, 166300, 199560, 236146, 249450, 299340, 332600, 354219, 374175, 472292, 498900, 590365, 598680, 708438, 748350, 944584, 997800, 1062657, 1180730, 1416876, 1496700, 1771095, 2125314, 2361460, 2833752, 2951825, 2993400, 3542190, 4250628, 4722920, 5313285, 5903650, 7084380, 8501256, 8855475, 10626570, 11807300, 14168760, 17710950, 21253140, 23614600, 26566425, 35421900, 42506280, 53132850, 70843800, 106265700, 212531400]

約数ペア:

[(1, 212531400), (2, 106265700), (3, 70843800), (4, 53132850), (5, 42506280), (6, 35421900), (8, 26566425), (9, 23614600), (10, 21253140), (12, 17710950), (15, 14168760), (18, 11807300), (20, 10626570), (24, 8855475), (25, 8501256), (30, 7084380), (36, 5903650), (40, 5313285), (45, 4722920), (50, 4250628), (60, 3542190), (71, 2993400), (72, 2951825), (75, 2833752), (90, 2361460), (100, 2125314), (120, 1771095), (142, 1496700), (150, 1416876), (180, 1180730), (200, 1062657), (213, 997800), (225, 944584), (284, 748350), (300, 708438), (355, 598680), (360, 590365), (426, 498900), (450, 472292), (568, 374175), (600, 354219), (639, 332600), (710, 299340), (852, 249450), (900, 236146), (1065, 199560), (1278, 166300), (1420, 149670), (1663, 127800), (1704, 124725), (1775, 119736), (1800, 118073), (2130, 99780), (2556, 83150), (2840, 74835), (3195, 66520), (3326, 63900), (3550, 59868), (4260, 49890), (4989, 42600), (5112, 41575), (5325, 39912), (6390, 33260), (6652, 31950), (7100, 29934), (8315, 25560), (8520, 24945), (9978, 21300), (10650, 19956), (12780, 16630), (13304, 15975), (14200, 14967)]